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* tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
2
3         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
4         vectorizable_* functions.
5         * tree-vect-transform.c (vectorizable_call): Add check for
6         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
7         (vectorizable_store): likewise.
8         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
9         Add comments.
10         (vectorizable_operation, vectorizable_type_demotion): Likewise.
11         (vectorizable_type_promotion, vectorizable_load): Likewise.
12         (vectorizable_live_operation, vectorizable_condition): Likewise.
13         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
14         STMT_VINFO_LIVE_P.
15         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
16
17 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18
19         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
20         register numbers more.
21         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
22         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
23         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
24         FUNCTION_VALUE_REGNO_P): Likewise.
25         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
26         STATIC_CHAIN_REGNUM): Likewise.
27         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
28         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
29         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
30         * config/m68k/m68k.md (FP_REG): New.
31
32 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
33
34         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
35         alignment on fido.
36
37 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
38
39         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
40         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
41         comment typos.
42
43 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
44
45         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
46         cold loops.
47
48 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
49
50         PR c/31520
51         * c-decl.c (finish_decl): Grab the type of the decl after the call
52         to store_init_value.
53
54 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
55
56         * common.opt (fforward-propagate): Fix "Optimization" annotation.
57
58 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
59
60         PR c++/25874
61         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
62         post dominators and cleanup cfg before returning.
63
64 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
65
66         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
67         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
68
69 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
70
71         * config.gcc: Recognize fido.
72         * config/m68k/m68k-devices.def (fidoa): New.
73         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
74         __mfido__.
75         (FL_FIDOA, TARGET_FIDOA): New.
76         * config/m68k/m68k.opt (mfidoa): New.
77
78 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
79
80         PR middle-end/31322
81         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
82         when a personality function is used.
83
84 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
85
86         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
87
88 2007-04-13  Mike Stump  <mrs@apple.com>
89
90         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
91         we can...
92         * config/darwin.opt (fapple-kext): Make C++ only.
93         * config/darwin.c (darwin_override_options): Remove code to ensure
94         -fapple-kext is given for C++ only.
95
96 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
97
98         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
99         * config/mips/mips.c (override_options): Call
100         SUBTARGET_OVERRIDE_OPTIONS, if defined.
101
102 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
103
104         * config/i386/i386.opt (msvr3-shlib): Removed.
105
106         * doc/invoke.texi: Remove -msvr3-shlib.
107
108 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
109
110         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
111         with "popcnt" instruction.
112
113 2007-04-13  Richard Guenther  <rguenther@suse.de>
114
115         PR tree-optimization/21258
116         * tree-vrp.c (compare_case_labels): New helper.
117         (find_switch_asserts): New function.
118         (find_assert_locations): Call it for SWITCH_EXPRs.
119
120 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
121
122         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
123         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
124         check is now implied in X87_FLOAT_MODE_P.
125         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
126         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
127         (fix_trunc<mode>_i386_fisttp): Ditto.
128         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
129         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
130         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
131         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
132         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
133         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
134         (unnamed_splitters): Ditto.
135         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
136         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
137         FIRST_SSE_REG for local functions when SSE math is enabled or
138         for functions with sseregparm attribute.
139         (standard_80387_constant_p): Return -1 if mode is not
140         X87_FLOAT_MODE_P.
141         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
142         (ix86_expand_compare): Ditto.
143         (ix86_expand_carry_flag_compare): Ditto.
144         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
145         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
146         DECIMAL_FLOAT_MODE_P.
147         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
148         of SCALAR_FLOAT_MODE_P.
149         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
150         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
151         checks before FLOAT_MODE_P.
152         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
153         before FLOAT_MODE_P.
154         [DIV]: Ditto.
155         [NEG]: Ditto.
156         [ABS]: Ditto.
157         [SQRT]: Ditto.
158         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
159
160 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
161             Charles Wilson  <libtool@cwilson.fastmail.fm>
162
163         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
164         (libgcc.mvars): Don't depend on them.
165         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
166         * exec-tool.in: New.
167
168 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
169
170         * doc/invoke.text (--help): Document --help=common.
171
172 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
173
174         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
175
176 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
177
178         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
179         * genemit.c (main): Emit #include "integrate.h".
180         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
181         (LOADGP_RTP): New mips_loadgp_style.
182         * config/mips/mips.h: Include config/vxworks-dummy.h.
183         (TARGET_RTP_PIC): New macro.
184         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
185         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
186         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
187         for TARGET_RTP_PIC.
188         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
189         -mvxworks-pic when using -mrtp and a PIC option.
190         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
191         for RTP PIC.
192         (mips_symbolic_constant_p, mips_symbolic_address_p)
193         (mips_symbol_insns): Handle SYMBOL_HALF.
194         (override_options): Warn about -G and -mrtp being used together.
195         Initialize mips_lo_relocs[SYMBOL_HALF].
196         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
197         (mips_emit_loadgp): Handle LOADGP_RTP.
198         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
199         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
200         (tablejump): Handle function-relative case table entries if
201         TARGET_RTP_PIC.
202         * config/mips/predicates.md (symbol_ref_operand): New predicate.
203
204 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
205
206         * config/mips/mips.md (load_call<mode>): Allow any general register.
207         destination.
208         (sibcall_value_internal, sibcall_value_multiple_internal)
209         (call_value_internal, call_value_split, call_value_multiple_internal)
210         (call_value_multiple_split): Remove constraints from operand 0.
211
212 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
213
214         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
215         rather than loadgp_noshared.
216         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
217         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
218         gen_loadgp.
219         * config/mips/mips.md (loadgp): Rename to...
220         (loadgp_newabi): ...this.
221         (loadgp_noshared): Rename to...
222         (loadgp_absolute): ...this.
223
224 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
225
226         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
227         false for locally-binding symbols.
228         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
229
230 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
231
232         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
233         (SYMBOL_GOT_PAGE_OFST): ...this.
234         (SYMBOL_GOT_GLOBAL): Rename to...
235         (SYMBOL_GOT_DISP): ...this.
236         (SYMBOL_GOTOFF_GLOBAL): Rename to...
237         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
238         * config/mips/mips.c (mips_global_symbol_p): New function.
239         (mips_symbol_binds_local_p): Likewise.
240         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
241         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
242         and mips_symbol_binds_local_p.
243         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
244         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
245         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
246         SYMBOL_GOTOFF_DISP.
247         (mips_ok_for_lazy_binding_p): New function.
248         (mips_load_call_address, mips_expand_call): Use it.
249         (mips_dangerous_for_la25_p): Likewise.
250         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
251         (*got_disp<mode>): Use got_disp_operand instead of
252         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
253         SYMBOL_GOTOFF_GLOBAL.
254         (*got_page<mode>): Use got_page_ofst_operand instead of
255         local_got_operand.
256         * config/mips/predicates.md (const_call_insn_operand): Use
257         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
258         (global_got_operand): Rename to...
259         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
260         SYMBOL_GOT_GLOBAL.
261         (local_got_operand): Rename to...
262         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
263         of SYMBOL_GOT_LOCAL.
264
265 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
266
267         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
268         TARGET_CALL_CLOBBERED_GP.
269         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
270         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
271         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
272         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
273         of TARGET_ABICALLS && !TARGET_NEWABI.
274         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
275         * config/mips/mips.c (mips_load_call_address): Check
276         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
277         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
278         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
279         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
280         TARGET_ABICALLS && TARGET_NEWABI.
281         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
282         TARGET_ABICALLS.
283         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
284         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
285         TARGET_ABICALLS && TARGET_NEWABI.
286         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
287         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
288         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
289         whether indirect calls must use $25.
290         (mips_extra_live_on_entry): Check TARGET_GOT instead of
291         TARGET_ABICALLS.
292         * config/mips/mips.md (jal_macro): Check flag_pic and
293         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
294         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
295         instead of TARGET_ABICALLS.
296         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
297         TARGET_ABICALLS && TARGET_OLDABI.
298         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
299         (sibcall): In the comment above the define_insn, mention
300         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
301         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
302         instead of TARGET_ABICALLS.
303
304 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
305
306         * doc/md.texi (Blackfin family constraints): Document PA and PB.
307         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
308         (MACFLAGS_MATCH_P): New macro.
309         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
310         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
311         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
312         the other MACFLAG constants.
313         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
314         (flag_machi): Tighten constraints.  Renumber some of the operands.
315         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
316         output template.
317         (flag_machi_parts_acconly): New pattern.
318         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
319         used.
320         (flag_macinit1hi): Tighten constraints.
321         (flag_mul_macv2hi_parts_acconly): New pattern.
322
323         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
324         Use a more efficient implementation.
325         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
326         inline sequences when not optimizing for size.
327
328         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
329         movhi_high2low): Delete, merge functionality into...
330         (packv2hi): ... this pattern.
331
332         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
333         * config/bfin/bfin.opt (msim): New option.
334         (mcpu=): New option.
335         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
336         (bfin_cpu_t): Typedef of enum bfin_cpu.
337         (bfin_cpu_type): New declaration.
338         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
339         -msim and -mcpu= options.
340         (LIB_SPEC): Likewise.
341         * config/bfin/bfin.c (bfin_cpu_type): Define.
342         (bfin_handle_option): Handle -mcpu= option.
343         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
344         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
345         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
346
347 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
348
349         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
350         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
351         (powerpc-wrs-vxworksae): Use ${tm_file}.
352         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
353         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
354         * config/i386/vx-common.h: New file.
355
356 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
357
358         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
359         of crt0.o%s.
360
361 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
362
363         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
364         ldxtr.
365
366 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
367
368         PR c++/31078
369         PR c++/31103
370         * c-common.c (c_build_qualified_type): Set canonical type
371         appropriately.  
372
373 2007-04-12  Richard Guenther  <rguenther@suse.de>
374
375         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
376         lower bound and element size if lower bound is not zero
377         or either of the ARRAY_REF operands is set.
378
379 2007-04-12  Richard Guenther  <rguenther@suse.de>
380
381         PR tree-optimization/24689
382         PR tree-optimization/31307
383         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
384         indices by value.
385         * gimplify.c (canonicalize_addr_expr): To be consistent with
386         gimplify_compound_lval only set operands two and three of
387         ARRAY_REFs if they are not gimple_min_invariant.  This makes
388         it never at this place.
389         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
390
391 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
392
393         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
394         null before emitting a .nsubspa directive.
395
396 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
397
398         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
399         need_to_partition_p if there are no memory statements in the
400         function.
401
402 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
403
404         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
405         (gcd_of_steps_may_divide_p): New function.
406         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
407
408 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
409
410         * reload.c (find_reloads_toplev, find_reloads_address,
411         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
412         not a pointer equality test, to decide if we need to call
413         push_reg_equiv_alt_mem.
414
415 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
416
417         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
418         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
419         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
420
421 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
422
423         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
424         vector to be positive.
425
426 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
427
428         PR 30735
429         PR 31090
430         * doc/invoke.texi: Document --params max-aliased-vops and
431         avg-aliased-vops.
432         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
433         debug_memory_partitions): Move to tree-flow.h
434         * params.h (AVG_ALIASED_VOPS): Define.
435         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
436         users.
437         (mp_info_t): Likewise.
438         (get_mem_sym_stats_for): New.
439         (set_memory_partition): Move from tree-flow-inline.h.
440         (mark_non_addressable): Only clear the set of symbols for the
441         partition if it exists.
442         (dump_memory_partitions): Move from tree-ssa-operands.c
443         (debug_memory_partitions): Likewise.
444         (need_to_partition_p): New.
445         (dump_mem_ref_stats): New.
446         (debug_mem_ref_stats): New.
447         (dump_mem_sym_stats): New.
448         (debug_mem_sym_stats): New.
449         (update_mem_sym_stats_from_stmt): New.
450         (compare_mp_info_entries): New.
451         (mp_info_cmp): Call it.
452         (sort_mp_info): Change argument to a list of mem_sym_stats_t
453         objects.
454         (get_mpt_for): Move from tree-ssa-operands.c.
455         (find_partition_for): New.
456         (create_partition_for): Remove.
457         (estimate_vop_reduction): New.
458         (update_reference_counts): New.
459         (build_mp_info): New.
460         (compute_memory_partitions): Refactor.
461         Document new heuristic.
462         Call build_mp_info, update_reference_counts,
463         find_partition_for and estimate_vop_reduction.
464         (compute_may_aliases): Populate virtual operands before
465         calling debugging dumps.
466         (delete_mem_sym_stats): New.
467         (delete_mem_ref_stats): New.
468         (init_mem_ref_stats): New.
469         (init_alias_info): Call it.
470         (maybe_create_global_var): Remove alias_info argument.
471         Get number of call sites and number of pure/const call sites
472         from gimple_mem_ref_stats().
473         (dump_alias_info): Call dump_memory_partitions first.
474         (dump_points_to_info_for): Show how many times a pointer has
475         been dereferenced.
476         * opts.c (decode_options): For -O2 set --param
477         max-aliased-vops to 500.
478         For -O3 set --param max-aliased-vops to 1000 and --param
479         avg-aliased-vops to 3.
480         * fortran/options.c (gfc_init_options): Remove assignment to
481         MAX_ALIASED_VOPS.
482         * tree-flow-inline.h (gimple_mem_ref_stats): New.
483         * tree-dfa.c (dump_variable): Dump memory reference
484         statistics.
485         Dump NO_ALIAS* settings.
486         (referenced_var_lookup): Tidy.
487         (mem_sym_stats): New.
488         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
489         and ORIG are different SSA names for a memory partition.
490         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
491         * tree-flow.h (struct mem_sym_stats_d): Define.
492         (mem_sym_stats_t): Define.
493         (struct mem_ref_stats_d): Define.
494         (struct gimple_df): Add field mem_ref_stats.
495         (enum noalias_state): Define.
496         (struct var_ann_d): Add bitfield noalias_state.
497         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
498         debug_mem_ref_stats, debug_memory_partitions,
499         debug_mem_sym_stats): Declare.
500         * tree-ssa-structalias.c (update_alias_info): Update call
501         sites, pure/const call sites and asm sites in structure
502         returned by gimple_mem_ref_stats.
503         Remove local variable IS_POTENTIAL_DEREF.
504         Increase NUM_DEREFS if the memory expression is a potential
505         dereference.
506         Call update_mem_sym_stats_from_stmt.
507         If the memory references memory, call
508         update_mem_sym_stats_from_stmt for all the direct memory
509         symbol references found.
510         (intra_create_variable_infos): Set noalias_state field for
511         pointer arguments according to the value of
512         flag_argument_noalias.
513         * tree-ssa-structalias.h (struct alias_info): Remove fields
514         num_calls_found and num_pure_const_calls_found.
515         (update_mem_sym_stats_from_stmt): Declare.
516         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
517         Set default value to 100.
518         (PARAM_AVG_ALIASED_VOPS): Define.
519
520 2007-04-11  Richard Guenther  <rguenther@suse.de>
521
522         PR middle-end/31530
523         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
524         a * -b + c as c - a * b if we honor sign dependent rounding.
525
526 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
527
528         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
529         bfin_expand_strmov.
530         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
531         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
532         variables.
533         (initialize_trampoline): Don't use old-style function definition.
534         (bfin_secondary_reload): Mark IN_P argument as unused.
535
536 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
537
538         PR tree-optimization/31343
539         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
540         (build_polynomial_chrec): Return a scalar when the evolution is zero.
541         * testsuite/gcc.dg/vect/pr31343.c: New.
542
543 2007-04-10  Eric Christopher  <echristo@apple.com>
544
545         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
546         * config/i386/i386.md (*cmpfp0): Use.
547         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
548         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
549         (fix_trunc<mode>_i386_fisttp): Ditto.
550         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
551         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
552         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
553         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
554         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
555         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
556         (unnamed_splitters): Ditto.
557         * config/i386/i386.c (output_fix_trunc): Assert that
558         we're not being passed a TFmode operand.
559
560 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
561
562         PR tree-optimization/31526
563         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
564         n_basic_blocks to find newly added blocks.
565
566 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
567
568         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
569         alternative.
570         (fix_trunc<mode>si_sse): Ditto.
571         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
572         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
573         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
574         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
575         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
576         expander using SSEMODEF mode macro.
577         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
578         expander using SSEMODEF mode macro.
579         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
580         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
581         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
582         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
583         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
584         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
585         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
586         Macroize insn using X87MODEF mode macro.
587
588 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
589
590         * config/i386/sse.md (sse2_pinsrw): Removed.
591         (sse2_pextrw): Renamed to ...
592         (*sse2_pextrw): This.
593
594 2007-04-09  Jan Hubicka  <jh@suse.cz>
595
596         PR target/27869
597         * config/i386/sse.md
598         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
599         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
600         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
601         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
602
603 2007-04-09  Jan Hubicka  <jh@suse.cz>
604
605         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
606         multiple fields of union.
607
608 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
609
610         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
611         (create_preheaders): Check that loops are available.
612         (fix_loop_structure): Clean up, improve comments.
613         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
614         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
615         state flags.
616         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
617         * predict.c (tree_estimate_probability): Do not call
618         calculate_dominance_info.  Call create_preheaders.
619         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
620         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
621         flags.
622         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
623         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
624         * tree-cfg.c (tree_split_edge): Make an assert more precise.
625         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
626         arguments.
627
628 2007-04-08  Jan Hubicka  <jh@suse.cz>
629
630         * tree.h (maybe_fold_offset_to_component_ref): Declare.
631         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
632         * fold-const.c (fold_unary): Use it.
633
634 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
635
636         * varasm.c (assemble_variable): Remove call to
637         lang_hooks.decls.prepare_assemble_variable.
638         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
639         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
640         * langhooks.h (lang_hooks_for_decls): Remove
641         prepare_assemble_variable.
642
643 2007-04-08  Mike Stump  <mrs@apple.com>
644
645         * config/i386/i386.c: Use inc/dec on Core2.
646
647 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
648
649         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
650         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
651         lhd_tree_inlining_end_inlining): Remove.
652         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
653         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
654         end_inlining hooks.
655         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
656         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
657         lhd_tree_inlining_end_inlining): Remove prototypes.
658         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
659         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
660         LANG_HOOKS_TREE_INLINING_START_INLINING,
661         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
662
663         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
664         not set it.
665
666 2007-04-08  Anatoly Sokolov <aesok@post.ru>
667
668         PR target/29932
669         * config/avr/predicates.md (io_address_operand): Delete predicate.
670         (low_io_address_operand): Don't use 'mode' argument.
671         (higth_io_address_operand): Rename ...
672         (high_io_address_operand): ... to this. Don't use 'mode' argument.
673         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
674         for above change.
675
676 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
677
678         Revert change removing staticp.
679
680 2007-04-07  Anatoly Sokolov <aesok@post.ru>
681
682         PR target/30289
683         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
684         earlyclobber.
685
686 2007-04-07  Bruce Korb  <bkorb@gnu.org>
687
688         * c.opt: Add -Wformat-contains-nul.
689         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
690           -Wformat setting.
691         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
692         the NUL byte warning.
693
694 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
695
696         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
697
698 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
699
700         * tree.c (staticp): No longer use staticp langhook.
701         * langhooks.c (lhd_staticp): Removed.
702         * langhooks.h (struct lang_hooks): Remove staticp.
703         * c-common.c (c_staticp): Remove.
704         * c-common.h (c_staticp): Ditto.
705         * langhooks-defs.h (lhd_staticp): Ditto.
706         (LHD_HOOKS_STATICP): Ditto
707         * tree.h (gcc_assert_lowered): New macro.
708
709 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
710
711         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
712         argument "reliable".
713         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
714         Add argument "reliable".  Propagate it through calls.
715         (infer_loop_bounds_from_undefined):  Derive number of iterations
716         estimates from references in blocks that do not dominate loop latch.
717         (gcov_type_to_double_int): New function.
718         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
719         and expected_loop_iterations_unbounded.
720         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
721         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
722         * tree-data-ref.c (estimated_loop_iterations): Export.
723         (get_references_in_stmt): Fix -- do not return addresses of local
724         objects.
725         * cfgloop.h (expected_loop_iterations_unbounded,
726         estimated_loop_iterations): Declare.
727
728 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
729
730         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
731
732 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
733
734         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
735         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
736         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
737         Use output_387_reg_move().
738         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
739         expander using X87MODEF12 mode macro.
740         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
741         choosing register preferences.  Use output_387_reg_move().
742         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
743         instead of "x".  Use output_387_reg_move().
744         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
745         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
746         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
747         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
748         Use output_387_reg_move().
749         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
750         mode macro.
751         (*truncxf?f_i387 splitter): Ditto.
752
753 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
754
755         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
756         LANG_HOOKS_SAFE_FROM_P.
757         * expr.c (safe_from_p): Remove langhook call.
758         * langhooks.h (lang_hooks): Remove safe_from_p.
759         (lhd_safe_from_p): Remove prototype.
760         * langhooks.c (lhd_safe_from_p): Remove.
761
762 2007-04-06  Jan Hubicka  <jh@suse.cz>
763
764         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
765         functions.
766
767 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
768
769         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
770         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
771         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
772         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
773         alternative.
774         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
775         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
776
777 2007-04-05  Richard Henderson  <rth@redhat.com>
778
779         * config/alpha/alpha.c (print_operand) [+]: Remove.
780         (alpha_end_function): Print nop if call at end of function.
781         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
782         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
783         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
784         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
785         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
786         the call pattern. Update peepholes to match.
787
788 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
789
790         * doc/extend.texi (Other Builtins): Add decimal float variants
791         of signbit.
792         * builtins.def: Ditto.
793         * builtins.c (expand_builtin): Ditto.
794
795 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
796             H.J. Lu  <hongjiu.lu@intel.com>
797
798         PR target/31478
799         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
800         of V8HImode when calling ix86_binary_operator_ok.
801         (sse2_pmaddwd): Call ix86_binary_operator_ok.
802         (sdot_prodv8hi): Operands 1 and 2 must be register.
803
804 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
805
806         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
807         initialize align to silence bogus warning.
808
809 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
810
811         PR middle-end/22156
812         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
813         all_no_warning.
814         (struct sra_walk_fns): Remove use_all parameter from use.
815         (sra_hash_tree): Handle BIT_FIELD_REFs.
816         (sra_elt_hash): Don't hash bitfld blocks.
817         (sra_elt_eq): Skip them in parent compares as well.  Handle
818         BIT_FIELD_REFs.
819         (sra_walk_expr): Don't maintain or pass down use_all_p.
820         (scan_use): Remove use_all parameter.
821         (scalarize_use): Likewise.  Re-expand assignment to
822         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
823         output, and re-scalarize after output.  Don't mark anything
824         for no warning.
825         (scalarize_ldst): Adjust.
826         (scalarize_walk_gimple_modify_statement): Likewise.
827         (build_element_name_1): Handle BIT_FIELD_REFs.
828         (instantiate_element): Don't warn for any element whose parent
829         is used as a whole.
830         (instantiate_missing_elements_1): Return the sra_elt.
831         (canon_type_for_field): New.
832         (try_instantiate_multiple_fields): New.
833         (instantiate_missing_elemnts): Use them.
834         (mark_no_warning): Removed.
835         (generate_one_element_ref): Handle BIT_FIELD_REFs.
836         (REPLDUP, sra_build_elt_assignment): New.
837         (generate_copy_inout): Use them.
838         (generate_element_copy): Likewise.  Handle bitfld differences.
839         (generate_element_zero): Don't recurse for blocks.  Use
840         sra_build_elt_assignment.
841         (generate_one_element_int): Take elt instead of var.  Use
842         sra_build_elt_assignment.
843         (generate_element_init_1): Adjust.
844         (scalarize_use, scalarize_copy): Use REPLDUP.
845         (scalarize_ldst): Move assert before dereference.
846         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
847
848 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
849
850         * regmove.c: Fix unused variable warnings due to previous commit.
851
852 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
853
854         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
855         (regmove_bb_head): Remove.
856         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
857         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
858         problems with fixup_match_1.
859         Don't initialize/free regmove_bb_head.
860
861         (reg_is_remote_constant_p): If an insn is in the same basic block
862         but not before INSN, consider it remote, too.
863
864 2007-04-05  Anatoly Sokolov <aesok@post.ru>
865
866         PR target/25448
867         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
868         DECL_ASSEMBLER_NAME, not the DECL_NAME.
869
870 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
871
872         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
873         (CONDITIONAL_REGISTER_USAGE): Likewise.
874
875 2007-04-04  Richard Henderson  <rth@redhat.com>
876
877         * config/alpha/lib1funcs.asm: Remove unused file.
878
879 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
880
881         PR other/31356
882         * opts.c (print_specific_help): Fix --help=<language>
883         header line.
884         (common_handle_option): Support --help=common.
885
886 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
887
888         PR other/31353
889         * gcc.c (main): Do not run the linker if
890         print_subprocess_help indicates that it shouldn't be
891         run.
892
893 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
894
895         PR doc/31355
896         * doc/invoke.texi (--help=): Document <languages> value, fix
897         formatting in tables of values.
898
899 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
900
901         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
902         dllimport attribute of virtual methods.
903
904 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
905
906         * config/score/crti.asm: Change _bss_start to __bss_start.
907         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
908         (OUTGOING_REG_PARM_STACK_SPACE) update.
909         * config/score/score.opt: add options to make backend support
910         score5, score5u, score7 and score7d.
911         * config/score/score.md: Likewise.
912         * config/score/misc.md: Likewise.
913         * config/score/mac.md: Likewise.
914         * doc/invoke.texi: Likewise.
915         * doc/md.texi: update constraints define.
916
917 2007-04-03  Richard Henderson  <rth@redhat.com>
918
919         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
920         an appropriate type, use the mode instead.
921
922 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
923
924         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
925         Set the default --with-arch setting to mips2.
926         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
927         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
928         (MULTILIB_OSDIRNAMES): Delete.
929         (MULTILIB_DIRNAMES): Define.
930         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
931         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
932         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
933         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
934         VXWORKS_OS_CPP_BUILTINS.
935         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
936         (MIPS_DEBUGGING_INFO): Undefine.
937         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
938
939 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
940
941         PR middle-end/30704
942         * fold-const.c (native_encode_real): Encode real.c provided longs
943         as a series of 32-bit native integers.
944         (native_interpret_real): Interpret buffer as a series of 32-bit
945         native integers.
946
947 2007-04-03  Richard Guenther  <rguenther@suse.de>
948
949         * genpreds.c (write_insn_constraint_len): Write function
950         optimized for CONSTRAINT_LEN implementation.
951         (write_tm_preds_h): Output insn_constraint_len inline and
952         use it for CONSTRAINT_LEN.
953         (write_insn_preds_c): Don't output insn_constraint_len.
954         * doc/md.texi (define_register_constraint): Document multi-letter
955         constraints shall have the same length if they start with the same
956         letter.
957
958 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
959
960         PR target/31175
961         * config/i386/i386.md (isinf<mode>2): Expand only when
962         TARGET_C99_FUNCTIONS is set.
963
964 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
965
966         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
967         (x86_64-*-linux*): Ditto.
968         * config/i386/i386.opt (mpc): New option.
969         * config/i386/i386.c (overrride_options): Handle
970         ix87_precision_string.
971         * config/i386/crtprec.c: New file.
972         * config/i386/t-crtpc: Ditto.
973         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
974         and -mpc80 options.
975         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
976         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
977         crtprec32.o, crtprec64.o and crtprec80.o.
978
979         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
980         and -mpc80 options.
981         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
982
983 2007-04-02  Eric Christopher  <echristo@apple.com>
984
985         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
986         limitations on darwin.
987
988 2007-04-02  Anatoly Sokolov <aesok@post.ru>
989
990         PR target/31137
991         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
992
993 2007-04-02  Dave Korn  <dave.korn@artimi.com>
994
995         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
996
997 2007-04-02  Dave Korn  <dave.korn@artimi.com>
998
999         * libgcc2.h (exception_descriptor): Don't forward-declare.
1000         (__get_eh_table_language, __get_eh_table_version): Delete
1001         prototypes of long-dead functions.
1002
1003 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1004
1005         * ebitmap.h: New file
1006         * ebitmap.c: New file
1007         * Makefile.in (ebitmap.o): New target.
1008
1009 2007-04-01  Jan Hubicka  <jh@suse.cz>
1010
1011         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1012         before very first instruction.
1013
1014 2007-04-01  Jan Hubicka  <jh@suse.cz>
1015
1016         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1017         waring on 64bit hosts.
1018         * bitmap.h: Fix typo in bitmap_head_def.
1019
1020 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1021
1022         PR rtl-optimization/31391
1023         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1024         into a DELETED_LABEL note, and the label is in an empty basic
1025         block, update BB_END as well as BB_HEAD.
1026
1027 2007-04-01  Richard Henderson  <rth@redhat.com>
1028
1029         PR tree-optimization/31169
1030         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1031         to varying if the range is outside [0,  prec-1].
1032
1033 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1034
1035         PR target/31388
1036         * config/mips/mips.md (load_const_gp): New insn.
1037         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1038         the MIPS16 GP pseudo register if no_new_pseudos.
1039         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1040
1041 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1042
1043         PR target/31364
1044         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1045         secureplt.
1046         (call_value): Likewise.
1047
1048 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1049             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1050
1051         PR 14737
1052         * doc/invoke.texi: (optimization options): Reword description
1053         of -ffast-math. Document its primary purpose.
1054
1055 2007-03-31  Richard Guenther  <rguenther@suse.de>
1056
1057         * omp-low.c (splay-tree.h): Include.
1058         (lookup_decl): Replace splay-tree usage by pointer-map.
1059         (maybe_lookup_decl): Likewise.
1060         (new_omp_context): Likewise.
1061         (delete_omp_context): Likewise.
1062         * gimplify.c (splay-tree.h): Include.
1063         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1064         pointer-map.
1065         (remap_ssa_name): Likewise.
1066         (remap_decl): Likewise.
1067         (remap_type_1): Likewise.
1068         (remap_type): Likewise.
1069         (copy_body_r): Likewise.
1070         (expand_call_inline): Likewise.
1071         (clone_body): Likewise.
1072         (copy_tree_r): Likewise.
1073         (remap_save_expr): Likewise.
1074         (unsave_r): Likewise.
1075         (unsave_expr_now): Likewise.
1076         (tree_function_versioning): Likewise.
1077         (build_duplicate_type): Likewise.
1078         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1079         (struct copy_body_data): Replace splay-tree by pointer-map.
1080         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1081         not $(SPLAY_TREE_H).
1082         (gimplify.o): Depend on $(SPLAY_TREE_H).
1083         (omp-low.p): Likewise.
1084
1085 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1086
1087         * config/avr/predicates.md (even_register_operand,
1088         odd_register_operand): New predicates.
1089         * config/avr/avr.md (movw peephole2): New.
1090         (movw_r peephole2): New.
1091
1092 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1093
1094         * tree.h (get_signed_or_unsigned_type): New.
1095         * fold-const.c (operand_equal_for_comparison_p): Use
1096         get_signed_or_unsigned_type instead of
1097         lang_hooks.types.signed_or_unsigned_type.
1098         * expr.c (store_expr): Ditto.
1099         * langhooks.c (get_signed_or_unsigned_type): New.
1100         (lhd_signed_or_unsigned_type): New.
1101         * langhooks.h (lhd_signed_or_unsigned_type): New.
1102         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1103
1104 2007-03-30  Richard Henderson  <rth@redhat.com>
1105
1106         * tree-ssa-loop-ivopts.c: Include target.h.
1107         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1108         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1109         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1110         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1111
1112 2007-03-30  Richard Henderson  <rth@redhat.com>
1113             Kai Tietz  <kai.tietz@onevision.com>
1114
1115         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1116         default for 64-bit.
1117         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1118         (TARGET_64BIT_MS_ABI): New.
1119         (DBX_REGISTER_NUMBER): Handle 64-bit.
1120         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1121         (LONG_TYPE_SIZE): Force to 32.
1122         (REG_PARM_STACK_SPACE): New.
1123         (OUTGOING_REG_PARM_STACK_SPACE): New.
1124         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1125         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1126         (STACK_BOUNDARY): Use 128 for 64-bit.
1127         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1128         Add 64-bit implementation.
1129         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1130         argument unused.
1131         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1132         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1133         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1134         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1135         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1136         TARGET_64BIT_MS_ABI.
1137         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1138         (ix86_pass_by_reference): Likewise.
1139         (ix86_function_value_regno_p): Likewise.
1140         (ix86_build_builtin_va_list): Likewise.
1141         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1142         (function_arg_advance_ms_64): New.
1143         (function_arg_advance): Call it.
1144         (function_arg_ms_64): New.
1145         (function_arg): Call it.
1146         (function_value_ms_64): New.
1147         (ix86_function_value_1): Call it.
1148         (return_in_memory_ms_64): New.
1149         (ix86_return_in_memory): Call it.
1150         (setup_incoming_varargs_ms_64): New.
1151         (ix86_setup_incoming_varargs): Call it.
1152         (ix86_expand_prologue): Handle 64-bit stack probing.
1153         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1154         (output_pic_addr_const): Likewise.
1155         (x86_this_parameter): Likewise.
1156         (x86_output_mi_thunk): Likewise.
1157         (x86_function_profiler): Likewise.
1158         (TARGET_STRICT_ARGUMENT_NAMING): New.
1159         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1160         (TARGET_64BIT_MS_ABI): New.
1161         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1162         * config/i386/i386.md (allocate_stack_worker): Remove.
1163         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1164         describe the clobber of eax without a match_scratch.
1165         (allocate_stack_worker_postreload): Remove.
1166         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1167         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1168         (allocate_stack_worker_rex64_postreload): Remove.
1169         (allocate_stack): Handle 64-bit.
1170         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1171         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1172         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1173         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1174         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1175         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1176         * config.build (x86_64-*-mingw*): New host.
1177         * config.host (x86_64-*-mingw*): New host.
1178         * config.gcc (x86_64-*-mingw*): New target.
1179         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1180
1181 2007-03-30  Richard Henderson  <rth@redhat.com>
1182             Kai Tietz  <kai.tietz@onevision.com>
1183
1184         * c-pragma.c (struct def_pragma_macro_value): New.
1185         (struct def_pragma_macro): New.
1186         (pushed_macro_table): New.
1187         (dpm_hash, dpm_eq): New.
1188         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1189         (init_pragma): Install them.
1190         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1191
1192 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1193
1194         * config/avr/avr.c (avr_override_options): Clear
1195         'flag_delete_null_pointer_checks'.
1196
1197 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1198
1199         PR c++/26099
1200         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1201         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1202         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1203         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1204         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1205         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1206         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1207         C++ extensions.
1208         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1209
1210 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1211
1212         * regmove.c: Move all of pass_stack_adjustments from here...
1213         * combine-stack-adj.c: ...to this new file.
1214         * Makefile.in: Add rules for combine-stack-adj.o.
1215
1216 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1217
1218         PR tree-optimization/31383
1219         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1220         to have the same length.
1221
1222 2007-03-30  Jan Hubicka  <jh@suse.cz>
1223
1224         PR middle-end/30700
1225         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1226         availablility; add more sanity checking; ask varpool only about
1227         VAR_DECL.
1228
1229 2007-03-29  Richard Henderson  <rth@redhat.com>
1230
1231         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1232         to decide, but __SIZEOF_LONG_LONG__.
1233
1234 2007-03-29  Richard Henderson  <rth@redhat.com>
1235
1236         * emutls.c (struct __emutls_array): New.
1237         (emutls_destroy): Use it instead of casting element 0 from void*.
1238         (__emutls_get_address): Likewise.
1239
1240 2007-03-29  Richard Henderson  <rth@redhat.com>
1241
1242         * varasm.c (initializer_constant_valid_p): Don't deny
1243         DECL_DLLIMPORT_P on functions.
1244
1245         * config/i386/cygming.h: Remove function declarations.
1246         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1247         (ASM_OUTPUT_LABELREF): Remove.
1248         (COMMON_ASM_OP): Remove.
1249         (ASM_OUTPUT_COMMON): Remove.
1250         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1251         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1252         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1253         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1254         Rename from TARGET_ENCODE_SECTION_INFO.
1255         * config/i386/netware.h: Likewise.
1256         * config/i386/i386-protos.h: Update.
1257         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1258         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1259         (legitimate_constant_p): Reject dllimports.
1260         (dllimport_map, get_dllimport_decl): New.
1261         (legitimize_dllimport_symbol): New.
1262         (legitimize_address, ix86_expand_move): Use it.
1263         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1264         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1265         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1266         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1267         * config/i386/predicates.md (constant_call_address_operand): Only
1268         accept symbols; reject dllimport_p symbols.
1269         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1270         i386_pe_maybe_record_exported_symbol.
1271         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1272         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1273         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1274         trust the setting of DECL_DLLIMPORT_P.
1275         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1276         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1277         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1278         tidy the argument scanning loop.
1279         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1280         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1281         (i386_pe_strip_name_encoding): Remove.
1282         (i386_pe_binds_local_p): New.
1283         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1284         (i386_pe_output_labelref): Remove.
1285         (i386_pe_asm_output_aligned_decl_common): New.
1286         (i386_pe_maybe_record_exported_symbol): Rename from
1287         i386_pe_record_exported_symbol; check for dllexported symbols.
1288
1289 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1290
1291         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1292         add comment explaining why vsnprintf cannot be used.
1293
1294 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1295
1296         PR tree-optimization/30666
1297         * tree.c (build_complex_type): When creating type names for DWARF2
1298         debug info, create TYPE_DECLs for TYPE_NAME instead of
1299         IDENTIFIER_NODEs.
1300         (build_common_tree_nodes_2): Use build_complex_type when building
1301         predefined complex types, to preserve canonical types.
1302
1303 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1304
1305         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1306         (noce_get_alt_condition): Look at it to determine whether to
1307         reverse the condition or not.
1308         (noce_get_condition): Substitute the truth for lies.
1309         (noce_find_if_block): Set the then_else_reversed field.
1310
1311 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1312
1313         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1314         destination of this insn.
1315         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1316         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1317         'address + 4' rather than a stack based temporary which can be
1318         mis-optimized away.
1319
1320 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1321
1322         * config/s390/s390.c (s390_secondary_input_reload_class,
1323         s390_secondary_output_reload_class): Functions removed.
1324         (s390_secondary_reload): New function.
1325         (TARGET_SECONDARY_RELOAD): Target macro defined.
1326         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1327         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1328         * config/s390/s390.md ("reload_outti", "reload_outdi",
1329         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1330         "reload_out<mode>"): Expanders removed.
1331         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1332         "reload<mode>_nonoffmem_out"): Expanders added.
1333
1334 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1335
1336         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1337         SRC->DEST replacement failed anyway.
1338
1339 2007-03-28  Mike Stump  <mrs@apple.com>
1340
1341         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1342         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1343         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1344
1345 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1346
1347         * config.gcc: Accept barcelona as a variant of amdfam10.
1348         * config/i386/i386.c (override_options): Likewise.
1349         * doc/invoke.texi: Likewise.
1350
1351 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1352
1353         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1354         offsets for BIT_FIELD_REF and COMPONENT_REF.
1355
1356 2007-03-28  Richard Guenther  <rguenther@suse.de>
1357
1358         * tree.c (is_global_var): Move ...
1359         * tree-flow-inline.h (is_global_var): ... here.
1360         * tree.h (is_global_var): Remove declaration.
1361
1362 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1363
1364         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1365         option.
1366         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1367         * config/i386/i386.c (ix86_tune_features): Initialize new
1368         tuning option.
1369         * config/i386/predicates.md (promotable_binary_operator): Use
1370         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1371
1372 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1373
1374         PR target/31380
1375         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1376
1377 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1378
1379         * config/fr30/fr30.md (movsi_internal): Change destination
1380         constraint from m to V and add m to the end.
1381
1382 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1383
1384         * config/sh/sh.md (movsi_i): Fix type attribute.
1385
1386 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1387
1388         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1389         (movsf_ie): Likewise.
1390
1391 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1392
1393         * config.gcc: Add sh4-300 to multilib.
1394         * config/sh/t-mlib-sh4-300: New file.
1395
1396 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1397
1398         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1399         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1400         fix_trunc<mode>di2.
1401         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1402         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1403         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1404         "fixuns_trunctddi2"): Whitespace fix.
1405
1406 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1407
1408         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1409         the definition of struct sh_args.
1410         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1411         CALL_COOKIE_INT_REG_GET): Likewise.
1412
1413 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1414
1415         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1416         transformations are applied successfully.
1417
1418 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1419
1420         * tree.c (tree_contains_struct): Permit 512 tree codes.
1421         * tree.h (tree_contains_struct): Ditto.
1422         (MAX_TREE_CODES): Ditto.
1423         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1424         SPARE member to store remaining padding bits.
1425
1426 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1427
1428         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1429         architecture.
1430
1431 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1432
1433         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1434         * configure: Regenerate.
1435
1436         * configure: Regenerate using the correct version of autoconf.
1437
1438 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1439
1440         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1441         pointer regs.
1442         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1443         regs to "__SP_L__" and "__SP_H__".
1444
1445 2007-03-27  Richard Guenther  <rguenther@suse.de>
1446
1447         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1448         computations with it with a HOST_WIDE_INT variable.
1449
1450 2007-03-26  Mike Stump  <mrs@apple.com>
1451
1452         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1453         objective-c-header, objective-c++-header and objc++-cpp-output
1454         support.
1455         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1456
1457 2007-03-26  Richard Henderson  <rth@redhat.com>
1458
1459         PR target/31361
1460         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1461         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1462         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1463         IX86_BUILTIN_PSRLQ128): New.
1464         (ix86_init_mmx_sse_builtins): Add them.
1465         (ix86_expand_builtin): Expand them.
1466         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1467         operand 2 be TImode.
1468         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1469         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1470         _mm_srli_epi64): Mark __B const.
1471         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1472         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1473         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1474         new two-vector shift builtins.
1475
1476 2007-03-26  Ian Lance Taylor  <iant@google.com>
1477
1478         PR tree-optimization/31345
1479         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1480         [+INF, +INF(OVF)] into VARYING.
1481
1482 2007-03-26  Zack Weinberg  <zackw@panix.com>
1483
1484         * gengtype-parse.c: New file.
1485         * gengtype-yacc.y: Delete.
1486         * gengtype-lex.l: Don't include gengtype-yacc.h.
1487         Define YY_DECL and yyterminate appropriately for recursive
1488         descent parser.  yylval is now a string out-parameter to yylex.
1489         (HWS, EOID): New shorthand.
1490         (IWORD): Add a couple more types.
1491         (yylex): Add a setup stanza.  Remove the complex rules for
1492         detecting GTY'ed types and typedefs; replace with simple
1493         keyword detectors.  Adjust everything for the changed
1494         definition of yylval.  Ignore all pp-directives, not just #define.
1495         (yyerror): Delete.
1496         (parse_file): Rename yybegin; do not call yyparse.
1497         (yyend): New.
1498         * gengtype.c (xasprintf): Export again.
1499         (this_file): New.  Use everywhere __FILE__ was being used.
1500         (get_lang_bitmap): Special case types defined in gengtype.c.
1501         (do_typedef, new_structure): Suppress definition of certain types.
1502         (new_structure): Improve diagnostics of duplicate definitions.
1503         Make sure location_s is associated with input.h.
1504         (nreverse_pairs, define_location_structures): New functions.
1505         (main): Improve tagging of kludge types.  Remove old kludges
1506         for input.h types; use define_location_structures.
1507         * gengtype.h: Update prototypes.  Define token codes here.
1508         * Makefile.in: Remove all references to gengtype-yacc.
1509         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1510         and gengtype.
1511         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1512         add GTY((skip)) to the field that's only conditionally there.
1513         * doc/install.texi: Document that Bison is no longer required
1514         unless building treelang.
1515
1516         * gengtype.c: Don't include gtyp-gen.h.
1517         (srcdir): Declare here.
1518         (base_files, lang_dir_names): Allocate dynamically.
1519         (gt_files, num_gt_files, num_lang_dirs): New globals.
1520         (measure_input_list, read_input_line, read_input_list)
1521         (set_lang_bitmap): New functions.
1522         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1523         simplify, relying on read_input_list to set up the bitmaps.
1524         (main): Arguments are no longer unused.  Check for correct number
1525         of command line arguments, set srcdir and srcdir_len, then call
1526         read_input_list, before doing anything else.  No need to worry
1527         about duplicates in main loop.
1528         * configure.ac: Simplify the calculation of all_gtfiles.
1529         Put language tags in there.  Don't set or substitute
1530         all_gtfiles_files_langs or all_gtfiles_files_frags.
1531         * Makefile.in: Revamp the way gengtype is invoked, now that it
1532         takes a file on its command line with a much simpler format.
1533         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1534         (GTFILES): Remove duplicates and C source files.
1535         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1536         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1537         * configure: Regenerate.
1538
1539         * gengtype.h: Remove all type definitions to gengtype.c; leave
1540         only definitions of options_p, type_p, and pair_p as opaque
1541         pointers.  Update prototypes.
1542         * gengtype.c: Many type definitions moved here from gengtype.h.
1543         Consolidate type definitions at the top of the file.
1544         (xvasprintf): Delete.
1545         (xasprintf): Make static.
1546         (create_nested_pointer_option): Add 'next' parameter.
1547         (create_field_all, create_field_at): New functions.
1548         (create_field): Now a thin wrapper around create_field_all.
1549         (create_optional_field): Rename create_optional_field_ and add
1550         line argument.  Original name is now a macro which supplies
1551         __LINE__.
1552         (oprintf): Use vsnprintf directly.
1553         (close_output_files): Use fatal rather than perror/exit.
1554         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1555         (main): Set progname.  Don't use exit.
1556         * gengtype-yacc.y (struct_fields): Use create_field_at.
1557         (option, optionseqopt): Delete.
1558         (optionseq): Consolidate productions from option here so we
1559         can use the first argument to create_option.
1560
1561         * gengtype-lex.l: Distinguish unions from structures in the
1562         token type.  Don't call find_structure; return the tag as a string.
1563         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1564         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1565         Reorganize typedef_struct production accordingly.
1566         Use create_nested_ptr_option.
1567         * gengtype.c (create_nested_ptr_option): New function.
1568         * gengtype.h: Declare it.
1569
1570         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1571         (string_type): Don't declare.
1572         (do_scalar_typedef): Declare.
1573         (create_scalar_type): Update prototype.
1574         * gengtype.c (string_type): Make static.
1575         (scalar_nonchar, scalar_char): New.
1576         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1577         (resolve_typedef): Use scalar_nonchar for error recovery.
1578         (create_scalar_type): Remove name_len field.  Return scalar_char
1579         or scalar_nonchar as appropriate.
1580         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1581         to use string_type.
1582         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1583         whenever possible.
1584         (main): Initialize scalar_char and scalar_nonchar before calling
1585         gen_rtx_next.
1586         * gengtype-lex.l: Adjust for removal of second argument to
1587         create_scalar_type.  Use yylval.s instead of yylval.t when
1588         returning SCALAR.
1589         * gengtype-yacc.y: Type of SCALAR is string.  Call
1590         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1591         second argument to create_scalar_type.
1592
1593         * vec.h: Remove all #if IN_GENGTYPE blocks.
1594         Add comment saying that changes may require adjustments to gengtype.
1595         * gengtype.c: Don't include coretypes.h or tm.h.
1596         Add comment to inclusion of errors.h.
1597         (note_def_vec, note_def_vec_alloc): New functions.
1598         * gengtype.h: Declare new functions.
1599         * gengtype-lex.l: Don't include coretypes.h.
1600         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1601         Delete.
1602         (update_lineno): Remove unnecessary prototype.
1603         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1604         (VEC rule): Just return VEC_TOKEN.
1605         * gengtype-yacc.y (VEC_TOKEN): New token type.
1606         (type): Add a production for VEC(a,b).
1607         * Makefile.in: Update dependencies.
1608
1609         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1610         typedefs that use the old PARAMS macro.
1611
1612         * gengtype-lex.l: Remove all rules and states relating to yacc
1613         input files.
1614         * gengtype-yacc.y: Similarly.
1615         * gengtype.c (note_yacc_type): Delete function.
1616         * gengtype.h: Update prototypes.
1617
1618 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1619
1620         * tree-pretty-print.c (dump_generic_node): Report precision of
1621         unnamed integer types.
1622
1623 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1624
1625         * ifcvt.c (noce_try_store_flag_constants): Don't check
1626         no_new_pseudos here.
1627         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1628         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1629         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1630         noce_try_sign_mask): Likewise.
1631         (if_convert): Check no_new_pseudos here.
1632
1633         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1634         Remove prototypes.
1635         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1636         (noce_get_condition): Handle new then_else_reversed argument.
1637         (noce_init_if_info): Remove, fold into noce_find_if_block.
1638         (noce_process_if_block): Take a struct noce_if_info as the
1639         argument.  Don't set up one based on ce_if_info.  Update pointer
1640         references accordingly.
1641         (cond_move_process_if_block): Likewise.
1642         (process_if_block): Removed.
1643         (find_if_block): Removed.  Move functionality two new functions,
1644         noce_find_if_block and cond_exec_find_if_block.
1645         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1646         blocks and the symmetric IF-ELSE-JOIN case.
1647         (cond_exec_find_if_block): Also new function mostly based on old
1648         find_if_block and process_if_block.
1649         (find_if_header): Replace find_if_block call with separately
1650         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1651         (find_cond_trap): Update noce_get_condition call.
1652         (dead_or_predicable): Likewise.
1653
1654 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1655
1656         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1657         Remove.
1658         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1659         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1660         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1661         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1662         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1663         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1664         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1665         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1666         __builtin_ia32_psrad128 builtins.
1667
1668 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1669
1670         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1671         * config/i386/constraints.md
1672         (define_constraint "I"): Use IN_RANGE macro.
1673         (define_constraint "J"): Ditto.
1674         (define_constraint "K"): Ditto.
1675         (define_constraint "M"): Ditto.
1676         (define_constraint "N"): Ditto.
1677         (define_constraint "O"): Ditto.
1678         * config/i386/predicates.md
1679         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1680         (define_predicate "const_0_to_3_operand"): Ditto.
1681         (define_predicate "const_0_to_7_operand"): Ditto.
1682         (define_predicate "const_0_to_15_operand"): Ditto.
1683         (define_predicate "const_0_to_63_operand"): Ditto.
1684         (define_predicate "const_0_to_255_operand"): Ditto.
1685         (define_predicate "const_1_to_31_operand"): Ditto.
1686         (define_predicate "const_2_to_3_operand"): Ditto.
1687         (define_predicate "const_4_to_7_operand"): Ditto.
1688
1689 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1690
1691         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1692         in SImode for save_world.
1693         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1694         LR hard reg.
1695
1696 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1697
1698         PR tree-optimization/30784
1699         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1700         BIT_FIELD_REF.
1701
1702 2007-03-25  Revital Eres  <eres@il.ibm.com>
1703
1704         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1705           Fold movement_possibility function into it.
1706
1707 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1708
1709         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1710         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1711         (call_indirect_nonlocal_darwin64): Same.
1712         (call_nonlocal_darwin64): Same.
1713         (call_value_indirect_nonlocal_darwin64): Same.
1714         (call_value_nonlocal_darwin64): Same.
1715         (sibcall_nonlocal_darwin64): Same.
1716         (sibcall_value_nonlocal_darwin64): Same.
1717         (sibcall_symbolic_64): Same.
1718         (sibcall_value_symbolic_64): Same.
1719         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1720         LR pseudo.
1721         (rs6000_emit_load_toc_table): Same.
1722         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1723         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1724         (mull_call): Same.
1725         (divss_call): Same.
1726         (divus_call): Same.
1727         (quoss_call): Same.
1728         (quous_call): Same.
1729         (load_toc_v4_pic_si): Same
1730         (load_toc_v4_PIC_1): Same.
1731         (load_toc_v4_PIC_1b): Same.
1732         (call_indirect_aix{32,64}): Same.
1733         (call_value_indirect_aix{32,64}): Same.
1734         (call): Same.
1735         (call_value): Same.
1736         (call_local{32,64}): Same.
1737         (call_value_local{32,64}): Same.
1738         (call_indirect_nonlocal_aix{32,64}): Same.
1739         (call_nonlocal_aix{32,64}): Same.
1740         (call_value_indirect_nonlocal_aix{32,64}): Same.
1741         (call_value_nonlocal_aix{32,64}): Same.
1742         (call_indirect_nonlocal_sysv<mode>): Same.
1743         (call_nonlocal_sysv<mode>): Same.
1744         (call_value_indirect_nonlocal_sysv<mode>): Same.
1745         (call_value_nonlocal_sysv<mode>): Same.
1746         (sibcall): Same.
1747         (sibcall_local{32,64}): Same.
1748         (sibcall_value_local{32,64}): Same.
1749         (sibcall_nonlocal_aix{32,64}): Same.
1750         (sibcall_value_nonlocal_aix{32,64}): Same.
1751         (sibcall_nonlocal_sysv<mode>): Same.
1752         (sibcall_value): Same.
1753         (sibcall_value_nonlocal_sysv<mode>): Same.
1754
1755 2007-03-24  Paul Brook  <paul@codesourcery.com>
1756
1757         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1758         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1759
1760 2007-03-24  Richard Henderson  <rth@redhat.com>
1761
1762         * config/ia64/constraints.md: New file.
1763         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1764         satisfies_constraint_?.
1765         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1766         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1767         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1768         ia64_output_mi_thunk): Likewise.
1769         (ia64_const_ok_for_letter_p): Remove.
1770         (ia64_const_double_ok_for_letter_p): Remove.
1771         (ia64_extra_constraint): Remove.
1772         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1773         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1774         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1775         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1776         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1777         EXTRA_MEMORY_CONSTRAINT): Remove.
1778         * config/ia64/ia64.md: Include constriants.md.  Replace
1779         CONST_OK_FOR_? with satisfies_constraint_?.
1780
1781 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1782             H.J. Lu  <hongjiu.lu@intel.com>
1783
1784         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1785         DPD or BID name.
1786         (name macros): Use DPD_BID_NAME to convert names properly.
1787
1788         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1789         decimal floating point format.
1790         (init_floating_libfuncs): Change decimal functions so that they
1791         have a "bid_" prefix if the decimal system uses the BID format,
1792         and "dpd_" prefix if the decimal system uses the DPD format.
1793         (init_interclass_conv_libfuncs): Ditto.
1794         (init_intraclass_conv_libfuncs): Ditto.
1795
1796         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1797         using the BID format.
1798
1799         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1800         whether we are using the BID decimal format.
1801         * configure: Regenerate.
1802
1803         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1804         the compiler has decimal floating point enabled.  Define
1805         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1806         instead of DPD.
1807
1808         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1809         using the BID format.
1810
1811         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1812         whether we are using the BID decimal format.
1813         * configure: Regenerate.
1814
1815         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1816         the compiler has decimal floating point enabled.  Define
1817         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1818         instead of DPD.
1819
1820         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1821         options, and that it is enabled for i386/x86_64 systems.
1822
1823         * Makefile.in (enable_decimal_float): New.
1824         (DECNUMFMT): New.
1825         (DECNUMINC): Add  -I$(DECNUMFMT).
1826         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1827         to $(DECNUMFMT) from $(DECNUM).
1828
1829         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1830         Substitute enable_decimal_float.
1831         * configure: Regenerated.
1832
1833         PR other/30529
1834         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1835         unsigned long.
1836
1837         * configure.ac: Enable decimal float for x86_64-*-linux*.
1838         * configure: Regenerated.
1839
1840         PR other/30530
1841         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1842         decimal128ClearSign to flip and clear the sign bit in decimal128.
1843         (decimal_real_maxval): Set decimal128SetSign to set the sign
1844         bit in decimal128.
1845
1846 2007-03-23  Ian Lance Taylor  <iant@google.com>
1847
1848         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1849
1850 2007-03-23  Ian Lance Taylor  <iant@google.com>
1851
1852         * tree-dump.c (dump_files): Correct comment.
1853
1854 2007-03-23  Ian Lance Taylor  <iant@google.com>
1855
1856         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1857
1858 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1859
1860         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1861         in cfglayout mode.  Don't go into and out of cfglayout mode.
1862         Link the blocks in the order of the constructed traces.
1863         (rest_of_handle_tracer): Adjust call to tracer.
1864         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1865         Don't go into cfglayout mode.
1866         (rtl_loop_done): Don't go out of cfglayout mode.
1867         * cfglayout.c (relink_block_chain): New function, split out from...
1868         (fixup_reorder_chain): ...here.  Remove redundant checking.
1869         (cfg_layout_finalize): Don't clear the header, footer, and aux
1870         fields here, move the code to do so to relink_block_chain.  Likewise
1871         for free_original_copy_tables.
1872         * rtl.h (tracer): Update prototype.
1873         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1874         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1875         mode.  Use relink_block_chain to serialize the CFG according to the
1876         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1877         here...
1878         (gate_handle_reorder_blocks): ...to here.
1879         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1880         from here...
1881         (gate_duplicate_computed_gotos): ...to here.
1882         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1883         something always changes when going into and out of cfglayout mode.
1884         Perform an expensive cfg cleanup while going into cfglayout mode.
1885         Always update liveness information on HAVE_conditional_execution
1886         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1887         * reg-stack.c: Include cfglayout.h.
1888         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1889         the call to reorder_basic_blocks.
1890         * basic-block.h (reorder_basic_blocks): Update prototype.
1891         (relink_block_chain): New prototype.
1892         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1893
1894 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1895
1896         * config/mips/mips.md (type, hazard, *movdi_32bit,
1897         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1898         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1899         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1900         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1901         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1902         applicable.
1903         (movcc): Change first xfer to multi.
1904         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1905         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1906         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1907         config/mips/generic.md: Change reservations using "xfer" to use
1908         "mfc,mtc".
1909         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1910         using match_operand.
1911         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1912         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1913         examining mode.
1914         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1915
1916 2007-03-22  Richard Henderson  <rth@redhat.com>
1917
1918         * config/i386/i386.c: Remove unnecessary function declarations.
1919         Move targetm definition, and all related macros, to the end of
1920         the file.  Resort some functions to put definitions before uses.
1921         (ix86_attribute_table): Make static.  Move to end of file.
1922         (ix86_gimplify_va_arg): Make static.
1923
1924 2007-03-22  Richard Henderson  <rth@redhat.com>
1925
1926         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1927         don't increase local_regparm with force_align_arg_pointer check.
1928         (ix86_function_sseregparm): Assert 32-bit.
1929         (type_has_variadic_args_p): New.
1930         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1931         type_has_variadic_args_p.
1932         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1933         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1934         use memset instead.  Do maybe_vaarg check first; skip attribute
1935         tests if true; skip attribute tests for 64-bit.
1936         (construct_container): Remove TARGET_DEBUG_ARG.
1937         (function_arg_advance_32, function_arg_advance_64): Split out ...
1938         (function_arg_advance): ... from here.
1939         (function_arg_32, function_arg_64): Split out ...
1940         (function_arg): ... from here.
1941         (ix86_pass_by_reference): Tidy.
1942         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1943         (function_value_32): New, from parts of ix86_function_value
1944         and ix86_value_regno.
1945         (function_value_64): New, from parts of ix86_function_value
1946         and ix86_libcall_value.
1947         (ix86_function_value_1): New.
1948         (ix86_function_value, ix86_libcall_value): Use it.
1949         (return_in_memory_32, return_in_memory_64): Split out ...
1950         (ix86_return_in_memory): ... from here.
1951         (ix86_struct_value_rtx): Skip for 64-bit.
1952         (ix86_libcall_value, ix86_value_regno): Remove.
1953         (setup_incoming_varargs_64): Split out ...
1954         (ix86_setup_incoming_varargs): ... from here.
1955         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1956         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1957         * config/i386/i386-protos.h (ix86_function_value): Remove.
1958         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1959
1960 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1961
1962         PR other/23572
1963         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1964         infinities not supported, otherwise emit warning if -Woverflow. On
1965         underflow, emit warning if -Woverflow.
1966         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1967         and 0 otherwise.
1968         * real.h (real_from_string): Update declaration
1969
1970 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1971             Richard Henderson  <rth@redhat.com>
1972
1973         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1974         * calls.c (compute_argument_block_size, expand_call,
1975         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1976         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1977         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1978         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1979         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1980         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1981         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1982         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1983         Set to 1.
1984
1985 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1986
1987         * c-incpath.c (add_sysroot_to_chain): New.
1988         (merge_include_chains): Add sysroot argument.  Call
1989         add_sysroot_to_chain if sysrooted.
1990         (register_include_chains): Update call to merge_include_chains.
1991         * doc/cppopts.texi: Document use of '=' in include directory
1992         arguments.
1993
1994 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1995
1996         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1997         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1998         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1999         insn pattern using X87MODEF12 mode macro.
2000
2001 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2002
2003         * regmove.c (regmove_optimize): Use reg_mentioned_p
2004         instead of reg_overlap_mentioned_p for DST.
2005
2006 2007-03-21  Mike Stump  <mrs@apple.com>
2007
2008         * c.opt: Fixup for Objective-C/C++.
2009
2010 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2011
2012         * explow.c (convert_memory_address): Fold memory reference when
2013         POINTERS_EXTEND_UNSIGNED < 0
2014
2015 2007-03-21  Richard Henderson  <rth@redhat.com>
2016
2017         PR target/31245
2018         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2019         * config/i386/mmintrin.h (__m64): Likewise.
2020         * config/i386/xmmintrin.h (__m128): Likewise.
2021
2022 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2023
2024         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2025         (VXWORKS_OS_CPP_BUILTINS): Define.
2026         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2027         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2028
2029 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2030
2031         * rtl.h (constant_pool_reference_p): Delete.
2032         (find_constant_src): Declare.
2033         * rtlanal.c (find_constant_src): New function.
2034         * simplify-rtx.c (constant_pool_reference_p): Delete.
2035         * config/i386/i386.md: Use find_constant_src instead of
2036         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2037
2038 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2039
2040         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2041         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2042
2043 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2044
2045         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2046         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2047         (arm_elf_asm_constructor): Use it.
2048         (arm_elf_asm_destructor): New function.
2049
2050 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2051
2052         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2053
2054 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2055
2056         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2057
2058 2007-03-19  Andrew Haley  <aph@redhat.com>
2059
2060         PR tree-optimization/31264
2061         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2062         VIEW_CONVERT_EXPRs.
2063
2064 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2065
2066         PR rtl-optimization/30907
2067         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2068         (fwprop_init): Always call loop_optimizer_initialize.
2069         (fwprop_done): Always call loop_optimizer_finalize.
2070         (fwprop): We always have loop info now.
2071         (gate_fwprop_addr): Remove.
2072         (pass_fwprop_addr): Use gate_fwprop as gate.
2073
2074         PR rtl-optimization/30841
2075         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2076         df_chain_alloc): Call df_reorganize_refs unconditionally.
2077         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2078         refs_organized to refs_organized_size.
2079         (df_ref_create_structure): Use refs_organized_size instead of
2080         bitmap_size if refs had been organized, and keep refs_organized_size
2081         up-to-date.
2082         * df.h (struct df_ref_info): Change refs_organized to
2083         refs_organized_size.
2084         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2085         bitmap_size.
2086
2087 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2088
2089         * except.c (output_function_exception_table): Do not reference the
2090         EH personality routine for functions that do not require an
2091         exception table.
2092
2093 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2094
2095         PR c/30762
2096         * c-typeck.c (convert_for_assignment): Call comptypes for
2097         RECORD_TYPE or UNION_TYPE.
2098
2099         PR inline-asm/30505
2100         * reload1.c (reload): Do invalid ASM checking after
2101         cleanup_subreg_operands.
2102
2103 2007-03-19  Jeff Law  <law@redhat.com>
2104
2105         * tree-cfg.c (find_taken_edge): Tighten conditions for
2106         optimizing computed gotos.
2107
2108 2007-03-19  Michael Matz  <matz@suse.de>
2109
2110         * builtins.c (expand_builtin_sync_operation,
2111         expand_builtin_compare_and_swap,
2112         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2113         correctly.
2114
2115         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2116         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2117         for operand 3.
2118
2119 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2120
2121         * doc/tm.texi: Add brackets around the return type of
2122         TARGET_SECONDARY_RELOAD.
2123
2124 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2125         Richard Guenther  <rguenther@suse.de>
2126
2127         PR tree-optimization/31254
2128         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2129         Use handled_component_p () where appropriate.  Continue
2130         propagating into the rhs if we propagated into an INDIRECT_REF
2131         on the lhs.
2132
2133 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2134
2135         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2136         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2137         (xde, xdee): Mode attributes adjusted to support DFP modes.
2138         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2139         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2140         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2141         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2142         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2143         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2144         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2145         numbers.
2146         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2147         "movsf"): Insn definitions removed.
2148         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2149         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2150         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2151         definitions added.
2152         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2153         "reload_in<mode>", "reload_out<mode>"): Expander added.
2154         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2155         Expander removed.
2156
2157 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2158
2159         * config/s390/s390.md: Only non-functional changes.  Renamed
2160         FPR mode macro to BFP all over the file.
2161
2162 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2163
2164         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2165         (op_type attribute): RRF instruction type added.
2166         (fT0): New mode attribute.
2167         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2168         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2169         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2170         no secondary memory is needed when moving DFmode values between GPRs
2171         and FPRs.
2172
2173 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2174
2175         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2176         inverted and documentation adjusted.
2177         ("mhard-dfp", "msoft-dfp"): New options.
2178         * config/s390/s390.c (s390_handle_arch_option): New architecture
2179         switch: z9-ec.
2180         (override_options): Sanity checks for the new options added.
2181         * config.gcc: New architecture switch: z9-ec.
2182         * config/s390/s390.h (processor_flags): PF_DFP added.
2183         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2184         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2185         when the bit is NOT set so remove it from the defaults.
2186
2187 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2188
2189         * genemit.c (main): Print include statement for dfp.h.
2190         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2191         is not available.
2192
2193 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2194
2195         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2196
2197 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2198
2199         PR target/31022
2200         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2201         instead of PATTERN.
2202
2203 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2204
2205         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2206         attr_length_call, output_call, output_indirect_call): Cleanup
2207         formatting of targetm calls.
2208
2209 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2210
2211         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2212
2213 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2214
2215         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2216         reservation, bypass and anti-bypass descriptions for these instructions.
2217         Update move patterns.
2218         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2219         TYPE_FPSTORE.
2220
2221 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2222
2223         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2224         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2225         (get_initial_def_for_reduction): Likewise.
2226
2227 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2228
2229         Fix PR tree-optimization/29922
2230         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2231         (get_representative): Removed.
2232         (value_dies_in_block_x): Update for rvuse removal.
2233         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2234         (compute_antic_aux): Handle when PHI nodes appear in
2235         non-single-successors.
2236         (dump_bitmap_of_names): Removed.
2237         (compute_antic_safe): Renamed and removed rvuse calculation.
2238         Calculate only antic safe.
2239         (insert_into_preds_of_block): Remove assert.
2240         (execute_pre): Update for renamed functions.
2241         (defer_or_phi_translate_block): New function.
2242
2243 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2244
2245         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2246         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2247         typos.
2248         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2249         Follow spelling conventions.
2250
2251         * tree-data-ref.h: Remove the prototype for analyze_array.
2252
2253 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2254
2255         PR tree-optimization/31041
2256         * tree-vect-transform.c (get_initial_def_for_induction): Call
2257         force_gimple_operand.
2258
2259 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2260
2261         * ipa-type-escape.c (look_for_casts) : Revert code to use
2262         handled_component_p due to ada test a-numaux.adb.
2263
2264 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2265
2266         * final.c (final_scan_insn): Alter the condition of a
2267         conditional trap if we have nonstandard CC.
2268
2269 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2270
2271         * configure.ac: Remove excess quoting from asm line 0 test.
2272         * configure: Rebuilt.
2273
2274 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2275
2276         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2277         * c-common.c (convert_and_check): Move warning logic to...
2278         (warnings_for_convert_and_check): ...here. Define.
2279         * c-common.h (warnings_for_convert_and_check): Declare.
2280
2281 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2282
2283         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2284         (output_call): Likewise.
2285
2286 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2287
2288         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2289
2290 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2291
2292         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2293
2294 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2295
2296         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2297         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2298
2299 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2300
2301         PR tree-optimization/31183
2302         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2303         Use double_int instead of unsigned int for representing access_strides.
2304         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2305
2306 2007-03-16  Richard Guenther  <rguenther@suse.de>
2307
2308         PR tree-optimization/31146
2309         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2310         to allow recursion of forward_propagate_addr_expr.
2311         (forward_propagate_addr_into_variable_array_index): Likewise.
2312         (forward_propagate_addr_expr): Likewise.
2313         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2314         (forward_propagate_addr_expr_1): Recurse on simple copies
2315         instead of propagating into them.  Do so for useless conversions
2316         as well.
2317         (forward_propagate_addr_expr): Clean up unused statements after
2318         recursion.
2319
2320 2007-03-16  Richard Guenther  <rguenther@suse.de>
2321
2322         * builtins.c (expand_builtin_cexpi): Use the right argument
2323         for the expansion via cexp.
2324
2325 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2326
2327         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2328         * configure: Rebuilt.
2329
2330 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2331
2332         PR debug/29906
2333         * dwarf2out.c (force_type_die): Adjust comment.
2334         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2335
2336 2007-03-15  DJ Delorie  <dj@redhat.com>
2337
2338         * config/frv/predicates.md (minmax_operator): Don't check operands
2339         here.
2340
2341 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2342
2343         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2344         Update constant estimates of number of iterations.
2345         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2346         argument renamed to "realistic".
2347         (compute_estimated_nb_iterations): Removed.
2348         (record_niter_bound): New function.
2349         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2350         call record_nonwrapping_iv with upper = false.
2351         (infer_loop_bounds_from_signedness): Pass upper argument to
2352         record_nonwrapping_iv.
2353         (estimate_numbers_of_iterations_loop): Do not call
2354         compute_estimated_nb_iterations.  Record estimate based on profile
2355         information.  Initialize the constant estimates of number of
2356         iterations.
2357         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2358         estimates.
2359         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2360         number of iterations is too small.
2361         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2362         (EST_NOT_AVAILABLE): Removed.
2363         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2364         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2365         fields.
2366
2367 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2368
2369         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2370         Handle NE_EXPR guards.
2371
2372 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2373
2374         PR c++/24924
2375         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2376         Set also -pedantic-errors by default for the  preprocessor unless
2377         -fpermissive is given.
2378
2379 2007-03-15  Richard Guenther  <rguenther@suse.de>
2380
2381         PR middle-end/29719
2382         PR middle-end/31161
2383         * builtins.c (expand_builtin_cexpi): As a fallback if we
2384         don't have builtins for sincos or cexp create a function
2385         declaration for cexp and expand to a call to that.
2386         (expand_builtin_int_roundingfn): Always fall
2387         back to floor/ceil and its variants even if they may be
2388         not available.
2389
2390 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2391
2392         PR middle-end/31159
2393         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2394         jump tables, move the call to delete_dead_jumptables from here...
2395         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2396         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2397         don't allow merging of blocks that try_redirect_by_replacing_jump
2398         also does not handle when not optimizing.
2399
2400 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2401             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2402
2403         * config/i386/i386.md (x86_sahf_1): Correctly handle
2404         HAVE_AS_IX86_SAHF.
2405
2406 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2407
2408         PR target/31167
2409         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2410         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2411         from operand constraints and use "e" constraint instead.
2412         (*subti3_1, *subti3_1 splitter): Ditto.
2413         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2414         operand[1] predicate.
2415
2416 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2417
2418         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2419         arrays, multiply the access strides by the size of the sub-array.
2420         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2421
2422 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2423
2424         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2425         the configured assembler supports the sahf mnemonic.
2426         * configure: Regenerate.
2427         * config.in: Regenerate.
2428
2429         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2430         emit "sahf" or ".byte\t0x9e" as asm template.
2431
2432 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2433
2434         PR 31018
2435         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2436         option to replace hard coded TARGET_xxx in md file.
2437         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2438         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2439         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2440         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2441         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2442         (X86_TUNE_NOT_VECTORMODE): Ditto.
2443         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2444         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2445         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2446         (TUNE_SLOW_IMUL_IMM8): Ditto.
2447         (TUNE_MOVE_M1_VIA_OR): Ditto.
2448         (TUNE_NOT_UNPAIRABLE): Ditto.
2449         (TUNE_NOT_VECTORMODE): Ditto.
2450
2451         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2452         options.
2453
2454         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2455         tuning options instead of hard coded TARGET_xxx.
2456         (fix ssemode peephole2's): Ditto.
2457         (imul peephole2's): Ditto.
2458         (movsi_or): Ditto.
2459         (movdi_or_rex64): Ditto.
2460         (move peephole2): Ditto.
2461         (not peephole2's): Ditto.
2462
2463 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2464
2465         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2466         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2467         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2468         of empty body.
2469         * c-parser.c (c_parser_do_statement): Warn about empty body in
2470         do/while statement.
2471         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2472         * doc/invoke.texi (-Wempty-body): Update documentation.
2473
2474 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2475
2476         PR c/21438
2477         * c-common.h (warn_for_div_by_zero): Declare.
2478         * c-common.c (warn_for_div_by_zero): Define.
2479         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2480         warning.
2481
2482 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2483
2484         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2485         to PREFIX and STANDARD_PREFIX.
2486
2487 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2488             Phil Edwards  <phil@codesourcery.com>
2489
2490         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2491         (__gthread_once_t): Remove busy field for RTPs.
2492         (__GTHREAD_ONCE_INIT): Update accordingly.
2493
2494 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2495
2496         * doc/invoke.texi: Document VxWorks options.
2497
2498 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2499
2500         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2501
2502 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2503
2504         PR tree-optimization/30590
2505         * tree-nrv.c (tree_nrv): Check for the partial update of the
2506         return value.
2507
2508 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2509
2510         * flags.h (flag_random_seed): Remove declaration, in favor of...
2511         * toplev.h (get_random_seed, set_random_seed): ... these.
2512         * tree.c (get_file_function_name): Use the former.
2513         * opts.c (common_handle_option): Use the latter.
2514         * toplev.c
2515
2516 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2517
2518         PR middle-end/31127
2519         * cse.c (cse_find_path): Do not bail out if a basic block that
2520         we already visited now becomes part of a path that starts at a
2521         different basic block.  Just disallow this, to make sure we
2522         visit each basic block at most once.
2523
2524 2007-03-13  Jan Hubicka  <jh@suse.cz>
2525
2526         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2527         when profile esitmate is present, calls with very low frequency are
2528         cold.
2529
2530 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2531
2532         PR tree-optimization/30730
2533         PR tree-optimization/26900
2534         * tree-ssa-loop-niter.c: Include gmp.h.
2535         (bounds): New type.
2536         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2537         split_to_var_and_offset, determine_value_range,
2538         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2539         bound_difference, bounds_add, bounds_negate,
2540         number_of_iterations_ne_max, dump_affine_iv): New functions.
2541         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2542         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2543         difference of initial and final value of control iv to validate
2544         results.
2545         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2546         on the difference of the extremes of the control iv.  Add dumps.
2547         (expand_simple_operations): Handle phi nodes.
2548         (simplify_using_initial_conditions): Do not record used conditions.
2549         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2550         Do not set additional_info.
2551         (implies_nonnegative_p, implies_ge_p): Removed.
2552         (derive_constant_upper_bound): Do not use parameter `additional'.
2553         (record_estimate): Parameter `additional' removed.  Parameter
2554         `i_bound' added.  Do not call derive_constant_upper_bound.
2555         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2556         bound the number of iterations estimate.
2557         (estimate_numbers_of_iterations_loop): Pass the estimate from
2558         the number of iterations analysis to record_estimate.
2559         * tree.h (multiple_of_p): Declare.
2560         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2561         (scev_const_prop): Do not check expression_expensive_p.
2562         * fold-const.c (multiple_of_p): Exported.
2563         * double-int.c (double_int_mask): Exported.
2564         * double-int.h (double_int_mask): Declare.
2565         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2566         field.  Added max field.
2567
2568 2007-03-13  David Taylor  <taylor@candd.org>
2569
2570         PR driver/12448:
2571         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2572         default -MQ.
2573
2574 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2575
2576         PR target/31123
2577         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2578         two unamed patterns.
2579
2580 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2581
2582         * config/i386/i386.opt (mcx16, msahf): New options.
2583         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2584         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2585
2586         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2587         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2588         Output -mcx16 and -msahf options when corresponding bit is set.
2589
2590         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2591         and -msahf options.
2592
2593 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2594
2595         * configure.ac: Test for assembler tolerance to # 0 "".
2596         * configure, config.in: Rebuilt.
2597         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2598
2599 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2600
2601         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2602
2603         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2604         (handle_syscall): Handle direct system calls.
2605         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2606
2607 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2608
2609         * doc/invoke.texi: Fix cpp.info cross-reference.
2610         * doc/passes.texi: Fix gcc.info cross-reference.
2611
2612 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2613
2614         PR tree-optimization/30835
2615         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2616         bb_for_stmt is not NULL before accessing it.
2617
2618 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2619
2620         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2621         some multilibs.
2622
2623 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2624
2625         PR 30635
2626         * doc/install.texi: Document --enable-stage1-languages
2627
2628 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2629
2630         * tree-pass.h (pass_into_cfg_layout_mode,
2631         pass_outof_cfg_layout_mode): Declare.
2632         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2633         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2634         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2635         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2636
2637 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2638
2639         * c-decl.c (warn_variable_length_array): New function.
2640         Refactored from grokdeclarator to handle warn_vla
2641         and handle unnamed array case.
2642         (grokdeclarator): Refactored VLA warning case.
2643         * c.opt (Wvla): New flag.
2644         * doc/invoke.texi (Wvla): New warning.
2645
2646 2007-03-12  Richard Henderson  <rth@redhat.com>
2647
2648         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2649         (TARGET_SECTION_TYPE_FLAGS): New.
2650
2651 2007-03-12  Richard Henderson  <rth@redhat.com>
2652
2653         * config/darwin.c (machopic_reloc_rw_mask): New.
2654         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2655         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2656
2657 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2658
2659         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2660         * cppdefault.h (cpp_PREFIX): Document.
2661         (cpp_PREFIX_len): Likewise.
2662         (cpp_EXEC_PREFIX): New variable.
2663         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2664         * c-incpath.c (add_standard_paths): Correct logic for relocating
2665         paths within prefix.
2666
2667 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2668
2669         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2670         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2671         mode macro.
2672         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2673         fix_truncdfdi_sse using SSEMODEF mode macro.
2674         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2675         fix_truncdfsi_sse using SSEMODEF mode macro.
2676         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2677         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2678
2679 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2680
2681         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2682         elfos.h to tm_file.
2683
2684 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2685
2686         * tree.h : Add multiple_of_p declaration.
2687         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2688         * ipa-type-escape.c (results_of_malloc): Redundant.
2689         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2690         (cast_type): Extended with new members.
2691         (check_cast): Returns cast_type.
2692         (cast): New structure for data of walk_use_def_chains.
2693         (is_malloc_result, is_cast_from_non_pointer_1,
2694         is_cast_from_non_pointer,
2695         is_array_access_through_pointer_and_index): New functions.
2696         (look_for_casts): Returns cast types.
2697         (check_call): Returns void.
2698         (okay_pointer_operation): Use support of pointer plus index,
2699         pointer plus constant and allow all multiplications.
2700
2701 2007-03-11  Richard Guenther  <rguenther@suse.de>
2702
2703         PR tree-optimization/31115
2704         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2705         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2706         A shift count of zero is not special as with *_DIV_EXPR.
2707         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2708         direction.
2709
2710 2007-03-11  Ian Lance Taylor  <iant@google.com>
2711
2712         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2713         the *_DIV_EXPR codes correctly with overflow infinities.
2714
2715 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2716
2717         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2718         indicate success/failure of the analysis. Add negation to subtrahend
2719         in case of subtraction. Fail if both operands contain constants.
2720         (create_data_ref): Fail if analyze_offset fails.
2721
2722 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2723
2724         * config/i386/i386.md (frndintxf2): Rename to ...
2725         (rintxf2): ... this. Remove expander having same name.
2726         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2727         (roundsf2, rounddf2): Ditto.
2728         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2729         (lround<mode>di2, lround<mode>si2): Ditto.
2730
2731 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2732
2733         * lower-subreg.c: Include except.h.
2734         (decompose_multiword_subregs): Verify that the only control flow
2735         insns we can split are loads to multi-words pseudos.
2736         Handle breaking such blocks after splitting, instead of calling
2737         find_many_sub_basic_blocks.
2738
2739         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2740         on the new basic block.  Add a lengthy comment explaining why we
2741         thought this was necessary.
2742         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2743
2744 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2745
2746         PR c++/30924
2747         * tree.c (walk_type_fields): Recurse into the element type of
2748         ARRAY_TYPEs if there is a pointer set.
2749
2750 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2751
2752         * c-common.c (warn_logical_operator): Fix condition.
2753
2754 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2755
2756         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2757         quotation mark.
2758         * config/darwin.c (machopic_select_section): Remove superfluous
2759         argument in call to categorize_decl_for_section.  Remove unused
2760         variable shlib.
2761
2762 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2763
2764         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2765         defined.
2766         * configure: Regenerate.
2767
2768 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2769
2770         PR target/31101
2771         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2772         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2773         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2774         Add LABEL_NUSES to emitted label.
2775         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2776         branch probability value to emitted jump insn.
2777         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2778         Do not check life information and do not re-arrange input operands
2779         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2780
2781 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2782
2783         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2784         the change of decode_asm_operands.
2785
2786 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2787
2788         * mode-switching.c (create_pre_exit): Skip blockage insn.
2789
2790 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2791
2792         * tree-pass.h (TODO_update_smt_usage): Remove.
2793         Update all users.
2794         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2795         argument SOME.
2796         Update all users.
2797
2798 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2799
2800         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2801         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2802         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2803         SOM target.
2804
2805 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2806
2807         * gcc.c: Document %{, in big comment at top.
2808         (input_suffix_matches): Remove special handling for .s and
2809         .S.
2810         (input_spec_matches): New.
2811         (handle_braces): Handle %{,.
2812         (validate_switches): ',' indicates a value which is not a switch.
2813         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2814         to detect assembler input.
2815         * config/i386/sol2.h (CPP_SPEC): Likewise.
2816         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2817         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2818         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2819         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2820         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2821         -m64 causes deployment target to default to 10.5.
2822         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2823
2824 2007-03-09  Richard Henderson  <rth@redhat.com>
2825
2826         PR target/26090
2827         * target.h (targetm.asm.out.reloc_rw_mask): New.
2828         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2829         (TARGET_ASM_OUT): Use it.
2830         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2831         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2832         use the new reloc_rw_mask target hook instead.
2833         (default_section_type_flags_1): Merge into...
2834         (default_section_type_flags): ... here.
2835         (decl_readonly_section_1): Merge into...
2836         (decl_readonly_section): ... here.
2837         (default_elf_select_section_1): Merge into...
2838         (default_elf_select_section): ... here.
2839         (default_unique_section_1): Merge into...
2840         (default_unique_section): ... here.
2841         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2842         (default_select_rtx_section): Use it.
2843         (default_elf_select_rtx_section): Likewise.
2844         * output.h: Update to match.
2845         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2846         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2847         (TARGET_ASM_RELOC_RW_MASK): New.
2848         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2849         to categorize_decl_for_section.
2850         (x86_64_elf_unique_section): Likewise.
2851         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2852         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2853         (TARGET_ASM_RELOC_RW_MASK): New.
2854         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2855         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2856         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2857         (TARGET_RWRELOC): Remove.
2858         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2859         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2860         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2861         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2862         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2863         (rs6000_xcoff_select_section): Use decl_readonly_section.
2864         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2865         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2866         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2867         (TARGET_SECTION_TYPE_FLAGS): Remove.
2868         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2869
2870 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2871
2872         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2873         complex constant equality/inequality comparisons for here.
2874         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2875         known at compile-time or can be simplified to a scalar comparison.
2876         (fold_relational_const): Move compile-time evaluation of complex
2877         constant equality/inequality comparisons to here.
2878
2879 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2880
2881         PR rtl-optimization/30643
2882         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2883         dest_addr_elt.
2884         (fold_rtx): Recurse, like before 2006-11-03.
2885
2886 2007-03-09  DJ Delorie  <dj@redhat.com>
2887
2888         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2889         m32c-pragma.o.
2890
2891 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2892
2893         PR tree-optimization/30375
2894         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2895         LHS of statements is not the same.
2896         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2897
2898 2007-03-09  Chao-ying Fu  <fu@mips.com>
2899
2900         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2901         REV 2.
2902         * doc/invoke.texi (-mdspr2): Document new option.
2903         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2904         New unspec for DSP REV 2.
2905         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2906         these instructions are extended in DSP REV 2.
2907         (mips-dspr2.md): Include.
2908         * config/mips/mips.opt (mdspr2): New option.
2909         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2910         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2911         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2912         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2913         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2914         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2915         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2916         and 2 builtins.
2917         (bdesc_map): Add one field of unsupported_target_flags.
2918         (bdesc_arrays):  Update entries to have extra fields.  Add
2919         dsp_32only_bdesc.
2920         (mips_init_builtins): Initialize new function types.
2921         Check unsupported_target_fileds to filter out builtins.
2922         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2923         TARGET_DSPR2.
2924         (ASM_SPEC): Pass mdspr2 to the assembler.
2925         * config/mips/mips-dspr2.md: New file.
2926
2927 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2928
2929         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2930
2931 2007-03-09  Ian Lance Taylor  <iant@google.com>
2932
2933         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2934         argument) like -Wstrict-overflow=2.
2935         * doc/invoke.texi (Warning Options): Update documentation.
2936
2937 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2938
2939         PR c++/17946
2940         * doc/invoke.texi (-Wlogical-op): Document.
2941         * common.opt (-Wlogical-op): New.
2942         * c-common.h (warn_logical_operator): Declare.
2943         * c-common.c (warn_logical_operator): Define.
2944         * c-typeck.c (parser_build_binary_op): Call
2945         warn_logical_operator.
2946
2947 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2948
2949         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2950         * final.c (final_scan_insn): Test for non-"" file name.
2951
2952 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2953
2954         * doc/loop.texi: Document the Omega linear constraints solver.
2955         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2956         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2957         omega-hash-table-size, omega-max-keys, and
2958         omega-eliminate-redundant-constraints.
2959         * tree-pass.h (pass_check_data_deps): Declared.
2960         * omega.c: New.
2961         * omega.h: New.
2962         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2963         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2964         pass_check_data_deps): New.
2965         * tree-data-ref.c (init_data_ref): Remove declaration.
2966         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2967         (analyze_array): Renamed init_array_ref, move up initializations.
2968         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2969         Removed arguments that are set to NULL.
2970         (analyze_indirect_ref): Correct indentation, correct call to
2971         init_pointer_ref.
2972         (object_analysis): Call init_array_ref instead of analyze_array.
2973         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2974         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2975         of DR_ACCESS_FNS_ADDR.
2976         (init_omega_eq_with_af, omega_extract_distance_vectors,
2977         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2978         ddr_consistent_p): New.
2979         (compute_affine_dependence): Check consistency of ddrs when
2980         flag_check_data_deps is passed.
2981         (analyze_all_data_dependences): Uncomment.
2982         (tree_check_data_deps): New.
2983         * tree-data-ref.h: Include omega.h.
2984         (DR_ACCESS_FNS_ADDR): Removed.
2985         (data_dependence_relation): Add inner_loop.
2986         (DDR_INNER_LOOP): New.
2987         * common.opt (fcheck-data-deps): New.
2988         * tree-flow.h (tree_check_data_deps): Declare.
2989         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2990         (OBJS-common): Depend on omega.o.
2991         (omega.o): Define.
2992         * passes.c (pass_check_data_deps): Scheduled.
2993         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2994         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2995         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2996         PARAM_VECT_MAX_VERSION_CHECKS,
2997         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2998
2999 2007-03-09  Richard Guenther  <rguenther@suse.de>
3000
3001         PR tree-optimization/30904
3002         PR middle-end/31058
3003         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3004         the same way as *_DIV_EXPR.
3005
3006 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3007
3008         * recog.c (decode_asm_operands): No mixed declarations and code.
3009
3010 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3011
3012         * rtl.def (ASM_INPUT): Add location.
3013         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3014         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3015         (decode_asm_operands): Add loc operand.
3016         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3017         * stmt.c (expand_asm): Rename to...
3018         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3019         gen_rtx_ASM_INPUT_loc.
3020         (expand_asm_expr): Adjust.
3021         * recog.c (decode_asm_operands): Add loc operand.
3022         (check_asm_operands, extract_insn): Adjust.
3023         * reload1.c (maybe_fix_stack_asms): Likewise.
3024         * final.c (asm_insn_count): Likewise.
3025         (final_scan_insn): Output # line before and after asm.
3026
3027 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3028
3029         * tree-ssa-structalias.c (variable_info): Remove
3030         finished_solution.
3031         (new_var_info): Ditto.
3032         (shared_bitmap_info_t): New structure.
3033         (shared_bitmap_table): New variable.
3034         (shared_bitmap_hash): New function.
3035         (shared_bitmap_eq): Ditto
3036         (shared_bitmap_lookup): Ditto.
3037         (shared_bitmap_add): Ditto.
3038         (merge_smts_into): Change to take bitmap directly.
3039         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3040         (init_alias_vars): Init shared bitmap hashtable.
3041         (delete_points_to_sets): Delete shared bitmap hashtable.
3042         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3043         is_aliased removal as a change that was still necessary was
3044         deleted.
3045
3046 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3047
3048         * config/i386/i386.h (override_options): Conditionally disable
3049         x86_sahf for 64bit targets only.
3050
3051 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3052
3053         PR C/31072
3054         * c-decl.c (merge_decls): Don't call make_var_volatile.
3055         * varasm.c (make_var_volatile): Remove.
3056         * output.h (make_var_volatile): Remove.
3057
3058 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3059
3060         PR tree-optimization/31085
3061         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3062
3063 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3064
3065         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3066         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3067         ATTR_CONST_NOTHROW_LIST.
3068
3069         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3070         FIX_TRUNC_EXPR.
3071
3072 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3073
3074         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3075
3076 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3077
3078         PR 31013
3079         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3080         is declared.
3081         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3082         passed, use shared libgcc.
3083
3084 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3085
3086         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3087         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3088         (honor_protect_cleanup_actions, lower_try_finally_switch):
3089         Likewise.
3090         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3091         ifc_temp_var): Likewise.
3092         * tree-inline.c (setup_one_parameter): Likewise.
3093         * tree-mudflap.c (mf_decl_cache_locals,
3094         mf_build_check_statement_for): Likewise.
3095         * tree-nested.c (init_tmp_var, save_tmp_var,
3096         finalize_nesting_tree_1): Likewise.
3097         * tree-outof-ssa.c (insert_copy_on_edge,
3098         insert_backedge_copies): Likewise.
3099         * tree-profile.c (tree_gen_edge_profiler,
3100         tree_gen_ic_profiler): Likewise.
3101         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3102         * tree-sra.c (sra_build_assignment): Likewise.
3103         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3104         * tree-ssa-math-opts.c (insert_reciprocals,
3105         execute_cse_sincos_1): Likewise.
3106         * tree-tailcall.c (adjust_accumulator_values,
3107         adjust_return_value): Likewise.
3108         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3109         * tree-vect-transform.c (vect_create_data_ref_ptr,
3110         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3111         vect_create_epilog_for_reduction, vectorizable_reduction,
3112         vectorizable_call, vectorizable_conversion,
3113         vectorizable_assignment, vectorizable_operation,
3114         vectorizable_type_demotion, vect_gen_widened_results_half,
3115         vect_permute_store_chain, vectorizable_store,
3116         vect_setup_realignment, vect_permute_load_chain,
3117         vectorizable_load, vectorizable_condition,
3118         vect_create_cond_for_align_checks): Likewise.
3119         * tree-vrp.c (build_assert_expr_for): Likewise.
3120
3121 2007-03-08  Ian Lance Taylor  <iant@google.com>
3122
3123         * tree-vrp.c: Include "intl.h".
3124         (usable_range_p): New static function.
3125         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3126         overflowed values, juts set *strict_overflow_p.
3127         (compare_values): Only return -2 if one of the operands is not a
3128         constant.
3129         (compare_ranges): Call usable_range_p.
3130         (compare_range_with_value): Likewise.
3131         (vrp_evaluate_conditional_warnv): Rename from
3132         vrp_evaluate_conditional.  Make static.  Change all callers.
3133         (vrp_evaluate_conditional): New function.
3134         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3135         on signed overflow.
3136         (simplify_abs_using_ranges): Likewise.
3137         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3138         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3139         within_stmt parameter.
3140         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3141         vrp_evaluate_conditional.
3142         * tree-ssa-threadedge.c
3143         (record_temporary_equivalences_from_stmts_at_dest): Change
3144         simplify parameter to take a second tree parameter.
3145         (simplify_control_stmt_condition): Likewise.
3146         (thread_across_edge): Likewise.
3147         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3148         (thread_across_edge): Likewise.
3149         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3150
3151 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3152
3153         * config/i386/i386.h (TARGET_SAHF): New define.
3154         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3155         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3156         (x86_sahf): New global variable.
3157         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3158         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3159         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3160         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3161         for 64-bit.
3162         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3163         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3164         when expanding fcomi/sahf based tests.
3165         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3166         expanding sahf based alternative. Emit sahf based sequence when
3167         optimizing for code size.
3168         * config/i386/i386.md (x86_sahf_1): Do not disable for
3169         TARGET_64BIT, enable for TARGET_SAHF.
3170
3171 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3172
3173         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3174         spurious whitespace from error message.
3175
3176 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3177
3178         PR c++/30852
3179         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3180
3181 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3182
3183         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3184         bitfields.
3185         * tree-sra.c (instantiate_element): Propagate disabled warnings
3186         from the element itself to the created variable.
3187
3188 2007-03-07  Richard Henderson  <rth@redhat.com>
3189
3190         PR target/30848
3191         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3192         silently fix up the stack in the case of a missing register.
3193
3194 2007-03-07  Paul Brook  <paul@codesourcery.com>
3195
3196         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3197
3198 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3199
3200         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3201         New.
3202         (phase1_vrs): Use them.
3203         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3204         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3205         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3206         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3207         __gnu_Unwind_Restore_WMMXC if required.
3208         (_Unwind_VRS_Pop): Implement iWMMXt support.
3209         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3210         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3211         gnu_Unwind_Save_WMMXC): Define.
3212
3213 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3214
3215         * config/vxworks.h (vxworks_override_options): Declare.
3216         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3217         * config/vxworks.c: Include target.h and toplev.h.
3218         (vxworks_override_options): New function.
3219         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3220
3221 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3222
3223         * config/s390/s390.c (override_options): Don't emit an error when
3224         -mstack-size is used without providing -mstack-guard.
3225         (s390_emit_prologue): Choose stack_guard value automatically if not
3226         provided via command line.
3227         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3228
3229 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3230
3231         * config/i386/i386.c (output_set_got): Add a GOT initialization
3232         sequence for VxWorks PIC.
3233         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3234         around labels as well as symbols.  Use gotoff_operand instead
3235         of local_symbolic_operand.
3236         (legitimize_pic_address): Use gotoff_operand instead of
3237         local_symbolic_operand.  Use @GOT accesses for labels as
3238         well as symbols.
3239         (ix86_output_addr_diff_elt): Use PC-relative rather than
3240         GP-relative offsets for VxWorks PIC.
3241         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3242         no_new_pseudos.  Check whether the returned register is op0.
3243         * config/i386/i386.md (tablejump): Use PC-relative rather than
3244         GP-relative offsets for VxWorks PIC.
3245         * config/i386/predicates.md (gotoff_operand): New predicate.
3246
3247 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3248
3249         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3250         before defining.
3251         * config/vxworks-dummy.h: New file.
3252         * config/i386/i386.h: Include it.
3253
3254 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3255
3256         * dwarf2out.c (is_inlined_entry_point): New
3257         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3258         DW_AT_ranges if the first subblock is the entry point.
3259
3260 2007-03-06  David Daney  <ddaney@avtrex.com>
3261
3262         * doc/install.texi (mips-*-*): Change recommended binutils
3263         version.
3264
3265 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3266
3267         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3268         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3269         devices.
3270         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3271         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3272
3273 2007-03-06  Jan Hubicka  <jh@suse.cz>
3274
3275         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3276         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3277         are hot.
3278         (probably_cold_bb_p): Cold functions are cold.
3279         (probably_never_executed_bb_p): Cold functions are cold.
3280         (tree_bb_level_predictions): Predict calls to cold functions as not
3281         taken.
3282         (compute_function_frequency): Check hot/cold attributes.
3283         * function.h (function_frequency): Update comments.
3284         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3285         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3286         (c_common_att): Add cold and hot.
3287
3288         * doc/extend.texi (hot,cold attributes): Document.
3289
3290 2007-03-06  Andrew Haley  <aph@redhat.com>
3291
3292         * function.c (expand_function_end): Move blockage to just after we
3293         emit the label for the naked return from the function.
3294
3295 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3296
3297         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3298         before redefining.
3299
3300 2007-03-06  Jan Hubicka  <jh@suse.cz>
3301
3302         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3303         loaded for constant large models.  Non-large 64bit PIC can do.
3304         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3305         * cmodel.h: Add LARGE PIC.
3306         * i386.md (UNSPEC_PLTOFF): New.
3307         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3308         needed.
3309         (*call_1_rex64): Disable for large models.
3310         (*call_1_rex64_large): New.
3311         (*call_value_1_rex64): Disable for large models.
3312         (*call_value_1_rex64_large): New.
3313         (set_rip_rex4): New.
3314         (set_got_offset_rex64): New.
3315         * predicates.md (constant_call_address_operand): For large model
3316         constant calls are not possible.
3317         * i386-protos.h (construct_plt_address): Declare.
3318         * i386.c (override_options): Accept large models.
3319         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3320         (legitimate_constant_p): Add new UNSPECs.
3321         (legitimate_pic_operand_p): Likewise.
3322         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3323         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3324         non-large model.
3325         (output_pic_addr_const): Add PLTOFF.
3326         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3327         (ix86_expand_move): Legitimize pic address when in PIC mode.
3328         (construct_plt_address): New function.
3329         (ix86_expand_call): Offload the address to register and use GOT pointer
3330         for large model.
3331         * invoke.texi (mcmodel=large): Update documentation.
3332
3333 2007-03-06  Richard Henderson  <rth@redhat.com>
3334
3335         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3336         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3337         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3338         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3339         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3340         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3341         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3342         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3343         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3344         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3345         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3346         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3347         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3348         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3349         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3350         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3351         x86_schedule, x86_use_bt, x86_pad_returns,
3352         x86_use_xchgb): Merge into ...
3353         (ix86_tune_features): ... here.  New array.
3354         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3355         x86_bswap): Merge into ...
3356         (ix86_arch_features): ... here.  New array.
3357         (x86_3dnow_a): Remove.
3358         (x86_accumulate_outgoing_args): Make static.
3359         (x86_arch_always_fancy_math_387): Make static.
3360         (ix86_tune_mask, ix86_arch_mask): Move ...
3361         (override_options): ... to local variables here.  Apply the
3362         appropriate mask to each element of ix86_arch_features and
3363         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3364         as were done in the old macros.
3365         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3366         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3367         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3368         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3369         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3370         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3371         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3372         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3373         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3374         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3375         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3376         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3377         x86_accumulate_outgoing_args, x86_prologue_using_move,
3378         x86_epilogue_using_move, x86_decompose_lea,
3379         x86_arch_always_fancy_math_387, x86_shift1,
3380         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3381         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3382         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3383         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3384         x86_use_incdec, x86_pad_returns, x86_bswap,
3385         x86_partial_flag_reg_stall): Remove.
3386         (enum ix86_tune_indices): New.
3387         (ix86_tune_features): New.
3388         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3389         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3390         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3391         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3392         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3393         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3394         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3395         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3396         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3397         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3398         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3399         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3400         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3401         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3402         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3403         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3404         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3405         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3406         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3407         TARGET_EXT_80387_CONSTANTS): Use it.
3408         (enum ix86_arch_indices): New.
3409         (ix86_arch_features): New.
3410         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3411         TARGET_BSWAP): Use it.
3412         (ix86_tune_mask, ix86_arch_mask): Remove.
3413
3414 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3415
3416         PR bootstrap/31020
3417         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3418         Define using $${sysroot_headers_suffix}.
3419         * configure: Regenerate.
3420         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3421         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3422         defined.
3423         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3424         * gcc.c (print_sysroot_headers_suffix): New.
3425         (option_map): Include --print-sysroot-headers-suffix.
3426         (display_help): Mention -print-sysroot-headers-suffix.
3427         (process_command): Handle -print-sysroot-headers-suffix.
3428         (do_spec_1): Append multilib directory to include-fixed path if
3429         sysroot suffixes in use.
3430         (main): Handle -print-sysroot-headers-suffix.
3431         * Makefile.in (start.encap): Don't depend on xlimits.h
3432         (xlimits.h): Remove.
3433         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3434         limits.h for each multilib in fixinc_list.
3435         (fixinc_list, s-fixinc_list): New.
3436         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3437         generate them for each multilib in fixinc_list.
3438         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3439         multilib in fixinc_list.
3440         (mostlyclean): Don't remove xlimits.h.
3441         (clean): Remove include-fixed.
3442         (real-install-headers-tar, real-install-headers-cpio,
3443         real-install-headers-cp): Don't copy include, only include-fixed.
3444         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3445         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3446         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3447         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3448
3449 2007-03-06  Jan Hubicka  <jh@suse.cz>
3450
3451         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3452         NANs easilly.
3453
3454 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3455
3456         * configure.ac: Allow tm_file to contain build-directory files.
3457         * configure: Regenerate.
3458         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3459         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3460         * config/m68k/print-sysroot-suffix.sh: New file.
3461
3462 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3463
3464         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3465         of pic_offset_table_rtx if reload_completed.
3466         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3467         PIC_OFFSET_TABLE_REGNUM.
3468         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3469         return true.
3470         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3471         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3472
3473 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3474
3475         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3476         functions that call eh_return.
3477
3478 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3479
3480         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3481         functions that need a constant pool.
3482
3483 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3484
3485         PR target/28181
3486         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3487         (m68k_preferred_reload_class): Likewise.
3488         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3489         (SECONDARY_RELOAD_CLASS): Define.
3490         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3491         (LIMIT_RELOAD_CLASS): Delete.
3492         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3493         registers from storing bytes.
3494         (m68k_secondary_reload_class): New function.
3495         (m68k_preferred_reload_class): Likewise.
3496
3497 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3498
3499         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3500         leaf functions.
3501         (m68k_expand_prologue): Likewise.
3502
3503 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3504
3505         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3506         (mips_expand_epilogue): Add a bool parameter.
3507         (m68k_legitimize_sibcall_address): Declare.
3508         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3509         (m68k_expand_epilogue): Add a parameter to select between sibling
3510         and normal epilogues.  Only generate a return for the latter.
3511         (m68k_ok_for_sibcall_p): New function.
3512         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3513         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3514         (sibcall_value, *sibcall_value): Likewise.
3515         (*call, *call_value): Require !SIBLING_CALL_P.
3516         (epilogue): Update call to m68k_expand_epilogue.
3517         (sibcall_epilogue): New pattern.
3518         * config/m68k/predicates.md (const_call_operand): Say that this
3519         predicate applies to sibling calls too.
3520         (sibcall_operand): New predicate.
3521
3522 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3523
3524         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3525         alternatives as movsi_cf.
3526         (movsf_cf_hard): Add commentary.
3527
3528 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3529             Richard Sandiford  <richard@codesourcery.com>
3530
3531         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3532         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3533         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3534         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3535         as being live on exit from an interrupt function.
3536         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3537         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3538         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3539         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3540         (m68k_interrupt_function_p): Globalize.
3541         (m68k_compute_frame_layout): Remove reverse mask code.
3542         (m68k_emit_movem, m68k_set_frame_related): New functions.
3543         (m68k_output_function_prologue): Delete in favor of...
3544         (m68k_expand_prologue): ...this new function.
3545         (m68k_output_function_epilogue): Delete in favor of...
3546         (m68k_expand_epilogue): ...this new function.
3547         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3548         functions.
3549         (print_operand): Handle %?.
3550         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3551         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3552         (prologue, epilogue): New patterns.
3553         (return): Turn into a define_expand.
3554         (*return): New pattern, derived from old "return" pattern.  Use rte
3555         rather than rts for interrupt functions.  Only use rtd if the pop
3556         count is nonzero.
3557         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3558         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3559         (link, *link, unlink, *unlink, load_got): Likewise.
3560
3561 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3562
3563         PR target/23482
3564         PR target/17114
3565         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3566         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3567         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3568         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3569         and m68k_matches_u_p.
3570         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3571         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3572         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3573         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3574         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3575         (REG_STRICT_P): New macro.
3576         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3577         PCREL_GENERAL_OPERAND_OK.
3578         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3579         m68k_legitimate_base_reg_p.
3580         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3581         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3582         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3583         * config/m68k/m68k.c (m68k_address): New structure.
3584         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3585         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3586         (m68k_jump_table_ref_p, m68k_decompose_address)
3587         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3588         (m68k_matches_u_p): New functions.
3589         (print_operand_address): Rewrite to use m68k_decompose_index.
3590
3591 2007-03-05  David Taylor  <dtaylor@emc.com>
3592
3593         * gcc.c: Correct copyright date in --version output.
3594
3595 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3596
3597         * pa.md: In unamed move patterns, disparge copies between general
3598         and floating point registers using '?' modifier.  Don't include 'f'
3599         constraint for register preferences in DImode, SImode, HImode and
3600         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3601         Remove constraints for copies between general and floating registers
3602         in soft-float DFmode pattern.
3603         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3604         floating register.
3605         (movsf): Likewise.
3606
3607 2007-03-05  Mike Stump  <mrs@apple.com>
3608
3609         * c-common.c (targetcm): Add.
3610         * c-opts.c (c_common_handle_option): Handle language specific
3611         target options.
3612         * opts.c (handle_option): Verify language for target options, if
3613         any are given.
3614         * opth-gen.awk: Add CL_LANG_ALL.
3615         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3616         (TARGETCM_INITIALIZER): Add.
3617         * target.h (struct gcc_targetcm): Add.
3618         (targetcm): Add.
3619         * targhooks.c (default_handle_c_option): Add.
3620         * targhooks.h (default_handle_c_option): Add.
3621         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3622
3623         * config/darwin.opt (iframework): Add.
3624         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3625         * config/darwin-c.c (handle_c_option): Add.
3626         (TARGET_HANDLE_C_OPTION): Add.
3627         (targetcm): Add.
3628         * doc/invoke.texi (Darwin Options): Add -iframework.
3629
3630 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3631
3632         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3633         conversion.
3634
3635 2007-03-05  Ian Lance Taylor  <iant@google.com>
3636
3637         * c.opt (fgnu89-inline): New option.
3638         * c-opts.c (c_common_post_options): Set default value for
3639         flag_gnu89_inline.
3640         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3641         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3642         inline functions.
3643         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3644         (grokdeclarator, start_function): Likewise.
3645         * c-cppbuiltin.c (c_cpp_builtins): Define either
3646         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3647         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3648         (C Dialect Options): Document -fgnu89-inline.
3649         * doc/extend.texi (Function Attributes): Explain what the
3650         gnu_inline attribute does.
3651         * doc/cpp.texi (Common Predefined Macros): Document
3652         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3653
3654 2007-03-05  Ian Lance Taylor  <iant@google.com>
3655
3656         PR tree-optimization/31034
3657         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3658         half-range if the other side is an overflow infinity.
3659
3660 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3661
3662         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3663         (bfin*-linux-uclibc*): New configuration.
3664         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3665         defining.
3666         * config/bfin/linux.h: New file.
3667         * config/bfin/libgcc-bfin.ver: New file.
3668         * config/bfin/t-bfin-uclinux: New file.
3669         * config/bfin/t-bfin-linux: New file.
3670         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3671         (TARGET_OS_CPP_BUILTINS): New macro.
3672
3673 2007-03-05  Richard Guenther  <rguenther@suse.de>
3674
3675         * fold-const.c (fold_binary): Remove duplicate folding
3676         of comparison of non-null ADDR_EXPR against null.
3677
3678 2007-03-05  Richard Guenther  <rguenther@suse.de>
3679             Dorit Nuzman  <dorit@il.ibm.com>
3680
3681         PR tree-optimization/26420
3682         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3683         are no loops in the function.  Only print the number of
3684         vectorized loops if it is greater than zero or we are supposed
3685         to print information about unvectorized loops.
3686
3687 2007-03-05  Revital Eres  <eres@il.ibm.com>
3688
3689         * gcc.dg/var-expand1.c: New test.
3690         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3691         when an accumulator is expanded.
3692
3693 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3694
3695         PR other/30465
3696         * c-common.c (convert_and_check): Don't give warnings for
3697         conversion if 'expr' already overflowed.
3698
3699 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3700
3701         PR middle-end/30744
3702         * fold-const.c (fold_comparison): Enforce type consistency when
3703         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3704
3705 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3706
3707         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3708         containing a cast to the base of TARGET_MEM_REF.
3709
3710 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3711
3712         * tree.c (tree_contains_struct_check_failed): Remove spurious
3713         whitespace from error message.
3714
3715 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3716
3717         PR target/30406
3718         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3719         instead of precision.
3720
3721 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3722             Nathan Sidwell  <nathan@codesourcery.com>
3723
3724         * emit-rtl.c (find_auto_inc): New.
3725         (try_split): recreate REG_INC notes,
3726         Use regular for loops rather than whiles.
3727
3728 2007-03-03  Andreas Schwab  <schwab@suse.de>
3729
3730         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3731         * configure: Regenerate.
3732
3733 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3734
3735         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3736         flag_rounding_math, not flag_unsafe_math_optimizations.
3737
3738         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3739         fold_build2.
3740         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3741         alpha_fold_vector_minmax): Likewise.
3742         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3743         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3744
3745 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3746
3747         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3748         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3749         if the lhs has side-effects.
3750         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3751
3752 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3753
3754         * config/i386/i386.h (TUNEMASK): Remove define.
3755         (ARCHMASK): Remove define.
3756         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3757          Use ix86_arch_mask variable instead of ARCHMASK.
3758         * config/i386/i386.c (override_options): Ditto.
3759         (standard_80387_constant_p): Ditto.
3760
3761 2007-03-02  Ian Lance Taylor  <iant@google.com>
3762
3763         Used signed infinities in VRP.
3764         * tree-vrp.c (uses_overflow_infinity): New static function.
3765         (supports_overflow_infinity): New static function.
3766         (make_overflow_infinity): New static function.
3767         (negative_overflow_infinity): New static function.
3768         (positive_overflow_infinity): New static function.
3769         (is_negative_overflow_infinity): New static function.
3770         (is_positive_overflow_infinity): New static function.
3771         (is_overflow_infinity): New static function.
3772         (overflow_infinity_range_p): New static function.
3773         (compare_values_warnv): New function split out of compare_values.
3774         (compare_value): Call it.
3775         (set_value_range_to_nonnegative): Add overflow_infinity
3776         parameter.  Change caller.
3777         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3778         Change callers.
3779         (vrp_expr_computes_nonzero): Likewise.
3780         (compare_ranges, compare_range_with_value): Likewise.
3781         (compare_name_with_value, compare_names): Likewise.
3782         (vrp_evaluate_conditional): Likewise.
3783         (set_value_range): Handle infinity
3784         (vrp_operand_equal_p, operand_less_p): Likewise.
3785         (extract_range_from_assert): Likewise.
3786         (vrp_int_const_binop): Likewise.
3787         (extract_range_from_binary_expr): Likewise.
3788         (extract_range_from_unary_expr): Likewise.
3789         (extract_range_from_comparison): Likewise.
3790         (extract_range_from_expr): Likewise.
3791         (dump_value_range): Likewise.
3792         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3793         (test_for_singularity): Likewise.
3794         (vrp_int_const_binop): Remove inline qualifier.
3795         (adjust_range_with_scev): Add comment.
3796         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3797
3798 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3799
3800         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3801         (get_constraint_for): Likewise.
3802         (do_structure_copy): Likewise.
3803         (find_func_aliases): Fix references to MODIFY_EXPR.
3804         (intra_create_variable_infos): Tidy.
3805         * tree-ssa-operands.c (add_virtual_operand): Add argument
3806         IS_CALL_SITE.
3807         When adding members of alias sets, if IS_CALL_SITE is true and
3808         the symbol is not call-clobbered, skip it.
3809         Adjust all callers.
3810
3811 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3812
3813         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3814         entry by means of emit_insn_at_entry.
3815
3816 2007-03-02  Richard Henderson  <rth@redhat.com>
3817
3818         * expr.h (promoted_input_arg): Remove decl.
3819         * function.c (promoted_input_arg): Merge into ...
3820         * combine.c (setup_incoming_promotions): ... only caller.
3821         Rearrange to avoid double loop.
3822
3823 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3824             Peter Bergner  <bergner@vnet.ibm.com>
3825             Janis Johnson  <janis187@us.ibm.com>
3826
3827         * config/rs6000/dfp.md: New file.
3828         * config/rs6000/rs6000.md: Include dfp.md.
3829         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3830         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3831         and TDmode decimal float modes in FP registers.
3832         (num_insns_constant): Likewise.
3833         (rs6000_legitimate_offset_address_p): Likewise.
3834         (rs6000_legitimize_address): Likewise.
3835         (rs6000_legitimize_reload_address): Likewise.
3836         (rs6000_legitimate_address): Likewise.
3837         (rs6000_emit_move): Likewise.
3838         (function_arg_boundary): Likewise.
3839         (function_arg_advance): Likewise.
3840         (rs6000_darwin64_record_arg_recurse): Likewise.
3841         (function_arg): Likewise.
3842         (rs6000_gimplify_va_arg): Likewise.
3843         (rs6000_split_multireg_move): Likewise.
3844         (rs6000_output_function_epilogue): Likewise.
3845         (rs6000_output_function_epilogue): Likewise.
3846         (rs6000_register_move_cost): Likewise.
3847         (rs6000_function_value): Likewise.
3848         (rs6000_libcall_value): Likewise.
3849
3850 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3851
3852         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3853
3854 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3855
3856         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3857         Use $MULTIDIR to choose between the kernel and RTP headers,
3858         and use $WIND_BASE and $WIND_USR to locate them.
3859
3860 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3861
3862         * config/i386/i386.c (override_options): Put initialization of
3863         ix86_tune_mask and ix86_arch_mask to the correct place.
3864
3865 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3866             Michael Meissner  <michael.meissner@amd.com>
3867
3868         PR target/31019
3869         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3870         (ARCHMASK): Define.
3871         (TARGET_CMOVE): Use ARCHMASK.
3872         (TARGET_CMPXCHG): Ditto.
3873         (TARGET_CMPXCHG8B): Ditto.
3874         (TARGET_XADD): Ditto.
3875         (TARGET_BSWAP): Ditto.
3876         * config/i386/i386.c (ix86_tune_mask): New global variable.
3877         (ix86_arch_mask): Ditto.
3878         (override_options): Initialize ix86_tune_mask and
3879         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3880         target_flags.
3881
3882 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3883
3884         PR 30992
3885         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3886
3887 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3888
3889         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3890         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3891         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3892         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3893         hook.
3894         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3895         rs6000_init_dwarf_reg_sizes_extra): New.
3896         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3897         SPE register high parts.
3898
3899 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3900
3901         * Makefile.in: Add install-pdf target as
3902         copied from automake v1.10 rules.
3903         * configure.ac: Add install-pdf to target list.
3904         * configure: Regenerate.
3905
3906 2007-03-01  Paul Brook  <paul@codesourcery.com>
3907
3908         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3909         modes to LDRD for DImode.
3910         (output_move_double): Fixup out of range ldrd/strd.
3911         (vfp_secondary_reload_class): Rename...
3912         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3913         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3914         coproc_secondary_reload_class for CLASS_IWMMXT.
3915         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3916         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3917
3918 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3919
3920         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3921         factor by the estimated number of iterations.
3922         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3923         prefetch latency.
3924
3925         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3926         decode_caches_intel, detect_caches_intel): New functions.
3927         (host_detect_local_cpu): Use detect_caches_amd and
3928         detect_caches_intel.
3929
3930 2007-03-01  Richard Henderson  <rth@redhat.com>
3931
3932         * expr.c (emit_move_complex_push): Export.
3933         (emit_move_complex_parts): Split out from ...
3934         (emit_move_complex): ... here.
3935         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3936         * config/i386/i386.md (movcdi): New.
3937
3938 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3939
3940         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3941         size of mode1 to check for tieable modes in MMX case.
3942
3943 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3944
3945         * Makefile.in (rtlanal.o): Depend on tree.h.
3946         * rtl.h (offset_within_section_p, split_const): Declare.
3947         * rtlanal.c: Include tree.h.
3948         (offset_within_block_p): New function, taken from
3949         mips_offset_within_object_p.
3950         (split_const): New function, taken from mips_split_const.
3951         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3952         Declare.
3953         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3954         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3955         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3956         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3957         (m68k_illegitimate_symbolic_constant_p): New function.
3958         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3959         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3960         symbolic constant that might be outside the symbol's section,
3961         move the symbol first and then add the offset.
3962         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3963         Override.
3964         * config/mips/mips.c (mips_split_const): Delete.
3965         (mips_offset_within_object_p): Delete.
3966         (mips_symbolic_constant_p): Use offset_within_section_p and
3967         split_const instead of mips_offset_within_object_p and
3968         mips_split_const.
3969         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3970         (mips_legitimize_const_move, print_operand_reloc)
3971         (mips_dangerous_for_la25_p): Use split_const instead of
3972         mips_split_const.
3973
3974 2007-02-28  Eric Christopher  <echristo@apple.com>
3975
3976         * Makefile.in (install-include-dir): Don't rm -rf include.
3977
3978 2007-02-28  Richard Guenther  <rguenther@suse.de>
3979
3980         PR middle-end/30364
3981         * fold-const.c (fold_binary): Do not associate expressions
3982         with more than one variable for integer types that do not wrap.
3983
3984 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3985
3986         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3987         Delete, and replace with...
3988         (fold_builtin_call_array): This.  Update callers to use it.
3989         * fold-const.c (fold_build_call_list): Delete, and replace with...
3990         (fold_build_call_array): This.
3991         (fold_build_call_list_initializer): Delete, and replace with...
3992         (fold_build_call_array_initializer): This.
3993         * tree.h: Update declarations to reflect above changes.
3994
3995         * c-typeck.c (build_function_call): Store converted arguments
3996         in a stack-allocated array instead of building a list.
3997         (convert_arguments): Store arguments in the array passed in as an
3998         argument, and return the actual number of arguments.
3999         * c-format.c: (check_function_format): Pass arguments in an
4000         array instead of a list.
4001         * c-common.c (check_function_nonnull): Likewise.
4002         (check_function_sentinel): Likewise.
4003         (check_function_arguments): Likewise.
4004         * c-common.h: Update declarations to reflect above changes.
4005
4006 2007-02-28  Jan Hubicka  <jh@suse.cz>
4007
4008         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4009         PRED_NEGATIVE_RETURN): Update outcomes.
4010
4011 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4012
4013         * calls.c (emit_library_call_value_1): Handle partial registers
4014         correctly when building up CALL_INSN_FUNCTION_USAGE.
4015
4016 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4017
4018         * pa/predicates.md (move_src_operand): Allow zero for mode.
4019         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4020         move pattern.
4021
4022 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4023
4024         PR target/30970
4025         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4026         *movv2df_internal): Enable pattern only for valid operand
4027         combinations.
4028         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4029         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4030
4031 2007-02-27  Mike Stump  <mrs@apple.com>
4032
4033         * config/darwin-crt3.c: Avoid compilation when compiling for a
4034         kext multilib.
4035
4036 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4037
4038         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4039         FIXED_INCLUDE_DIR.
4040         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4041         for fixed headers and limits.h.
4042         (install-include-dir, install-headers-tar, install-headers-cpio,
4043         install-headers-cp, real-install-headers-tar,
4044         real-install-headers-cpio, real-install-headers-cp): Handle
4045         include-fixed as well as include.
4046         (install-mkheaders): Don't install files that go only in include
4047         not include-fixed.
4048         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4049         from GCC_INCLUDE_DIR.
4050         * gcc.c (process_command): Remove special -BstageN/ handling.
4051         (do_spec_1): Add include-fixed directories.
4052
4053 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4054
4055         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4056         _smulsi3_highpart.
4057         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4058         New functions.
4059         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4060         patterns.
4061
4062 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4063
4064         * c-common.c (get_priority): Add check for
4065         SUPPORTS_INIT_PRIORITY.
4066
4067 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4068
4069         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4070
4071         * config/bfin/bfin.c: Include "cfglayout.h".
4072         (MAX_LSETUP_DISTANCE): New macro.
4073         (struct loop_info): New members incoming, incoming_src and
4074         incoming_dest.  Delete member predecessor.
4075         (length_for_loop): New function.
4076         (bfin_optimize_loop): Handle more different loop structures.
4077         (bfin_discover_loop): Rework detection of predecessor blocks by
4078         examining incoming edges.
4079         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4080         bfin_reorg_loops.
4081         (bfin_reorder_loops): New function.
4082         (bfin_reorg_loops): Use these three new functions.
4083
4084         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4085         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4086         (CONSTRAINT_LEN): Add entry for 'q'.
4087         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4088         Add 'q' constraints.
4089         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4090         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4091
4092         * config/bfin/bfin.md (add_with_carry): New pattern.
4093         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4094         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4095         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4096         support unsigned multiplies too.  Removed incorrect commutativity from
4097         operand 1 constraint where appropriate.
4098         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4099         patterns.
4100         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4101         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4102         New patterns.
4103         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4104         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4105         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4106         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4107         usmulhisi_hh_huh): New patterns.
4108
4109         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4110         lshifthi3): Fix output template to use half reg for operand 2.
4111
4112         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4113         instead of R2.
4114
4115         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4116
4117 2007-02-27  Andreas Schwab  <schwab@suse.de>
4118
4119         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4120
4121 2007-02-27  Jan Hubicka  <jh@suse.cz>
4122
4123         * predict.c (last_basic_block_p): Remove.
4124         (tree_estimate_probability): Update return heuristic for commonized
4125         return blocks.
4126
4127 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4128
4129         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4130
4131 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4132
4133         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4134         * doc/cpp.texi: Standardize title page.
4135         * doc/cppinternals.texi: Likewise.
4136         * doc/gcc.texi: Standardize title page, remove version number
4137         from copyright page.
4138         * doc/gccint.texi: Likewise.
4139         * doc/install.texi: Standardize title page, add table of
4140         contents.
4141
4142 2007-02-26  Jan Hubicka  <jh@suse.cz>
4143
4144         * predict.def: Set outcomes according to more recent results.
4145         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4146         Remove dead predictors.
4147         * predict.c (return_prediction): Fix pasto.
4148
4149 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4150
4151         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4152         change; avoid a memory leak when returning early.
4153
4154 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4155
4156         * c-decl.c (static_ctors): Move to c-common.c.
4157         (static_dtors): Likewise.
4158         (finish_function): Use c_record_cdtor_fn.
4159         (build_cdtor): Move to c-common.c.
4160         (c_write_global_declarations): Use c_build_cdtor_fns.
4161         * c-common.h (static_ctors): Declare.
4162         (static_dtors): Likewise.
4163         (c_record_cdtor_fn): Likewise.
4164         (c_build_cdtor_fns): Likewise.
4165         * c-common.c (static_ctors): New variable.
4166         (static_dtors): Likewise.
4167         (c_record_cdtor_fn): New function.
4168         (build_cdtor): Move from c-decl.c
4169         (c_build_cdtor_fns): New function.
4170
4171         * output.h (assemble_addr_to_section): Declare.
4172         (get_cdtor_priority_section): Likewise.
4173         * varasm.c (assemble_addr_to_section): New function.
4174         (get_cdtor_priority_section): Likewise.
4175         (default_named_section_asm_out_destructor): Use them.
4176         (destor_dtor_section_asm_out_destructor): Likewise.
4177         (default_named_section_asm_out_constructor): Likewise.
4178         (default_ctor_section_asm_out_constructor): Likewise.
4179         * config.gcc (*-*-vxworks*): Include vxworks.o.
4180         * config/t-vxworks (vxworks.o): New target.
4181         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4182         (TARGET_ASM_CONSTRUCTOR): Define.
4183         (TARGET_ASM_DESTRUCTOR): Likewise.
4184         (vxworks_asm_out_constructor): Declare.
4185         (vxworks_asm_out_destructor): Likewise.
4186
4187         * c-common.c (get_priority): Check that we have not just an
4188         INTEGER_CST, but an integer constant with integeral type.
4189
4190 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4191
4192         PR tree-optimization/30938
4193         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4194         use &dt[nargs-1] instead of &dt[nargs] in the call to
4195         vect_is_simple_use().
4196
4197 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4198
4199         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4200         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4201         Do not attempt to handle MEM inside auto-inc expressions.
4202         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4203         of a register modified by an auto-inc expression.  However, do handle
4204         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4205         (elimination_effects): Prohibit elimination of a register modified
4206         by an auto-inc expression.  Disable register elimination rules whose
4207         target register is modified by an auto-inc expression with variable
4208         increment.
4209
4210 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4211
4212         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4213         off-by-one error.
4214         (array_at_struct_end_p): New function.
4215         (idx_infer_loop_bounds): Use it.
4216         (estimate_numbers_of_iterations_loop): Export.
4217         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4218         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4219         (tree_estimate_probability): Call record_loop_exits.
4220         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4221         (estimated_loop_iterations, estimated_loop_iterations_int,
4222         estimated_loop_iterations_tree): New functions.
4223         (analyze_siv_subscript_cst_affine,
4224         compute_overlap_steps_for_affine_1_2,
4225         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4226         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4227         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4228         (PRED_LOOP_ITERATIONS_GUESSED): New.
4229         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4230         * cfgloop.h (estimate_numbers_of_iterations_loop,
4231         estimated_loop_iterations_int): Declare.
4232
4233 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4234
4235         * doc/extend.texi: Document optional priority argument to
4236         constructors and destructors.
4237         * tree.c (init_priority_for_decl): Adjust GTY markers.
4238         (init_ttree): Use priority-info hash functions for
4239         init_priority_for_decl.
4240         (tree_map_eq): Rename to ...
4241         (tree_map_base_eq): ... this.
4242         (tree_map_marked_p): Rename to ...
4243         (tree_map_base_marked_p): ... this.
4244         (tree_map_base_hash): New function.
4245         (decl_init_priority_lookup): Rework.
4246         (decl_fini_priority_lookup): New function.
4247         (decl_priority_info): New function.
4248         (decl_init_priority_insert): Use it.
4249         (decl_fini_priority_insert): Likewise.
4250         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4251         hierarchy.
4252         (decl_restrict_base_insert): Likewise.
4253         (decl_debug_expr_insert): Likewise.
4254         (decl_value_expr_lookup): Likewise.
4255         (decl_value_expr_insert): Likewise.
4256         * tree.h (priority_type): New type.
4257         (decl_init_priority_lookup): Use priority_type.
4258         (decl_fini_priority_lookup): New function.
4259         (decl_init_priority_insert): Use priority_type.
4260         (decl_fini_priority_insert): New function.
4261         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4262         (DECL_INIT_PRIORITY): Likewise.
4263         (SET_DECL_INIT_PRIORITY): Add comment.
4264         (DECL_FINI_PRIORITY): New macro.
4265         (SET_DECL_FINI_PRIORITY): Likewise.
4266         (DEFAULT_INIT_PRIORITY): Document.
4267         (MAX_INIT_PRIORITY): Likewise.
4268         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4269         (tree_map_base): New type.
4270         (tree_map_base_eq): New function.
4271         (tree_map_base_hash): Likewise.
4272         (tree_map_base_marked_p): Likewise.
4273         (tree_map): Inherit from tree_map_base.
4274         (tree_map_eq): Make it a macro.
4275         (tree_map_marked_p): Likewise.
4276         (tree_int_map): Inherit from tree_map_base.
4277         (tree_int_map_eq): Make it a macro.
4278         (tree_int_map_hash): Likewise.
4279         (tree_int_map_marked_p): Likewise.
4280         (tree_priority_map): New type.
4281         (tree_priority_map_eq): New macro.
4282         (tree_priority_map_hash): Likewise.
4283         (tree_priority_map_marked_p): Likewise.
4284         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4285         hierarchy.
4286         (emutls_common_1): Likewise.
4287         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4288         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4289         of tree_map hierarchy.
4290         * tree-cfg.c (move_stmt_r): Likewise.
4291         (new_label_mapper): Likewise.
4292         * c-tree.h (c_expand_body): Move to ...
4293         * c-common.h (c_expand_body): ... here.
4294         * c-decl.c (c_expand_body): Move to ...
4295         * c-common.c (c_expand_body): ... here.
4296         (c_common_attribute_table): Allow 1 argument for the constructor
4297         and destructor attributes.
4298         (get_priority): New function.
4299         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4300         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4301
4302 2007-02-24  Jan Hubicka  <jh@suse.cz>
4303
4304         PR middle-end/30509
4305         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4306
4307 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4308             Jan Hubicka  <jh@suse.cz>
4309
4310         PR target/30778
4311         * i386.c (counter_mode): New function.
4312         (expand_set_or_movmem_via_loop): Use it.
4313         (expand_movmem_epilogue): Likewise; fix pasto.
4314         (ix86_expand_movmem): Do emit guard even for constant counts.
4315         (ix86_expand_setmem): Likewise.
4316
4317 2007-02-25  Nick Clifton  <nickc@redhat.com>
4318
4319         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4320         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4321
4322 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4323
4324         PR target/30770
4325         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4326         count argument with 0x10, not with 0x16.
4327         (expand_setmem_epilogue): Ditto.
4328
4329 2007-02-24  Mike Stump  <mrs@apple.com>
4330
4331         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4332         symbols.
4333
4334 2007-02-24  Richard Guenther  <rguenther@suse.de>
4335
4336         PR middle-end/30951
4337         * fold-const.c (fold_binary): Fold x +- CST op x for
4338         EQ_EXPR and NE_EXPR.
4339
4340 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4341
4342         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4343
4344 2007-02-24  Jan Hubicka  <jh@suse.cz>
4345
4346         * cgraphunit.c (decide_is_function_needed): Honor
4347         -fkeep-inline-functions.
4348
4349 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4350
4351         * builtins.c (fold_builtin_modf): New.
4352         (fold_builtin_2): Use it.
4353
4354 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4355
4356         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4357         (determine_max_iter): Take additional LOOP arg; all callers changed.
4358         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4359         one using simplifications.
4360         (simplify_using_initial_values): Return if the expression becomes
4361         invalid due to altered regs.
4362
4363 2007-02-23  DJ Delorie  <dj@redhat.com>
4364
4365         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4366
4367 2007-02-23  Mike Stump  <mrs@apple.com>
4368
4369         * tlink.c (scan_linker_output): Parse linker messages from
4370         darwin9's linker better.
4371
4372 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4373
4374         PR debug/29614
4375         * varpool.c (varpool_assemble_pending_decls):  Set
4376         varpool_last_needed_node to null.
4377
4378 2007-02-23  DJ Delorie  <dj@redhat.com>
4379
4380         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4381         alignment bigger than the object file can handle.
4382
4383 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4384
4385         PR target/30825
4386         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4387         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4388         (*movsf_1): Penalize MMX moves.
4389
4390 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4391
4392         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4393         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4394
4395         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4396
4397 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4398
4399         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4400         (fold_builtin_1): Use them.
4401         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4402         BUILT_IN_SIGNIFICAND.
4403
4404 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4405
4406         * config/i386/i386.c (bdesc_1arg): Initialize
4407         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4408         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4409         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4410         and IX86_BUILTIN_MOVSLDUP.
4411
4412 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4413
4414         PR rtl-optimization/30841
4415         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4416
4417 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4418
4419         * builtins.c (fold_builtin_frexp): New.
4420         (fold_builtin_2): Use it.
4421
4422 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4423
4424         * doc/invoke.texi (Spec Files): Document getenv spec function.
4425
4426         * gcc.c (getenv_spec_function): New function.
4427         (static_spec_functions): Add it.
4428         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4429         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4430         header files.
4431
4432 2007-02-22  Michael Matz  <matz@suse.de
4433
4434         PR c++/29433
4435         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4436         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4437
4438 2007-02-22  Ian Lance Taylor  <iant@google.com>
4439
4440         PR debug/30898
4441         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4442         (mem_loc_descriptor): Call it.
4443
4444 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4445             Ira Rosen  <irar@il.ibm.com>
4446
4447         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4448
4449 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4450
4451         PR tree-optimization/30843
4452         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4453         stores only after all the group is vectorized.
4454
4455 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4456
4457         PR tree-optimization/30858
4458         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4459         in the reduction cycle have a single use in the loop.
4460         * tree-vectorizer.h (relevant): Add documentation.
4461
4462 2007-02-20  Mike Stump  <mrs@apple.com>
4463
4464         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4465         * configure: Regenerate.
4466
4467 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4468
4469         Change the defaults of some parameters and options.
4470         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4471         * config/spu/spu.c (spu_optimization_options): Add.
4472         (spu_override_options): Change params in spu_optimization_options.
4473         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4474
4475         Register 127 is only 16 byte aligned when used as a frame pointer.
4476         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4477         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4478         HARD_FRAME_POINTER_REGNUM.
4479         (spu_legitimate_address):  Use regno_aligned_for_reload.
4480         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4481         aligned when frame_pointer_needed is true.
4482         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4483         to 8 bits.
4484         * config/spu/spu.h (INIT_EXPANDERS): Define.
4485
4486         Make sure shift and rotate instructions have valid immediate operands.
4487         * config/spu/predicates.md (spu_shift_operand): Remove.
4488         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4489         * config/spu/constraints.md (W, O): Extend range.
4490         * config/spu/spu.md (umask, nmask): Define.
4491         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4492         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4493         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4494         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4495         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4496         (lshr<mode>3_reg):  Fix rtl description.
4497
4498         Make sure mulhisi immediate operands are valid.
4499         * config/spu/predicates.md (imm_K_operand): Add.
4500         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4501
4502         Generate constants using fsmbi and andi.
4503         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4504         (print_operand, spu_split_immediate, classify_immediate,
4505         fsmbi_const_p): Handle IC_FSMBI2.
4506
4507         Correctly handle a CONST_VECTOR containing symbols.
4508         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4509         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4510         (immediate_load_p): Allow symbols that use 2 instructions to create.
4511         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4512         with symbols when flag_pic is set.
4513         (const_vector_immediate_p): New.
4514         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4515         accept a CONST_VECTOR with symbols.
4516         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4517         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4518         correctly.
4519         * config/spu/spu.md (high, low): Delete.
4520         (low_<mode>): Define.
4521
4522         Remove INTRmode and INTR_REGNUM, which didn't work.
4523         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4524         of INTR_REGNUM.
4525         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4526         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4527         peephole2 pattern): Don't use INTR or 131.
4528         (movintrcc): Delete.
4529         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4530         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4531         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4532         (UNSPEC_SET_INTR): Add.
4533         * config/spu/spu-modes.def (INTR): Remove.
4534
4535         More accurate warnings about run-time relocations.
4536         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4537
4538         Correctly warn about immediate arguments to specific intrinsics.
4539         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4540         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4541         the instruction predicate.
4542
4543         Fix tree check errors with latest update.
4544         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4545         CALL_EXPR_ARG.
4546         (spu_expand_builtin): Use CALL_EXPR_FN.
4547
4548         Add missing specific intrinsics.
4549         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4550         si_bislede.
4551         * config/spu/spu_internals.h: Ditto.
4552
4553         Fix incorrect operand modifiers.
4554         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4555         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4556
4557         Optimize one case of zero_extend of a vec_select.
4558         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4559
4560         Accept any immediate for hbr.
4561         * config/spu/spu.md (hbr):  Change s constraints to i.
4562
4563 2007-02-21  Paul Brook  <paul@codesourcery.com>
4564
4565         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4566         condexec_count when skipping USE and CLOBBER.
4567
4568 2007-02-21  Nick Clifton  <nickc@redhat.com>
4569
4570         * common.opt (Warray-bounds): Add Warning attribute.
4571         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4572         Likewise.
4573         (fsized-zeroes): Add Optimization attribute.
4574         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4575         * c.opt (Wc++0x-compat): Add Warning attribute.
4576
4577 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4578
4579         PR middle-end/30761
4580         * reload1.c (eliminate_regs_in_insn): In the single_set special
4581         case, attempt to re-recognize the insn before falling back to
4582         having reload fix it up.
4583
4584 2007-02-20  Eric Christopher  <echristo@gmail.com>
4585
4586         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4587         Rewrite accordingly.
4588         (frv_read_iacc_argument): Ditto.
4589         (frv_expand_set_builtin): Take a call instead of arglist, update for
4590         above changes.
4591         (frv_expand_unop_builtin): Ditto.
4592         (frv_expand_binop_builtin): Ditto.
4593         (frv_expand_cut_builtin): Ditto.
4594         (frv_expand_binopimm_builtin): Ditto.
4595         (frv_expand_voidbinop_builtin): Ditto.
4596         (frv_expand_int_void2arg): Ditto.
4597         (frv_expand_prefetches): Ditto.
4598         (frv_expand_voidtriop_builtin): Ditto.
4599         (frv_expand_voidaccop_builtin): Ditto.
4600         (frv_expand_load_builtin): Ditto.
4601         (frv_expand_store_builtin): Ditto.
4602         (frv_expand_mdpackh_builtin): Ditto.
4603         (frv_expand_mclracc_builtin): Ditto.
4604         (frv_expand_mrdacc_builtin): Ditto.
4605         (frv_expand_mwtacc_builtin): Ditto.
4606         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4607         calls for above.
4608
4609 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4610
4611         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4612         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4613         cmpb instruction.
4614         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4615         point instructions.
4616         * configure: Regenerate.
4617         * config.in: Regenerate.
4618         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4619         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4620         masks to power6 and power6x and to POWERPC_MASKS.
4621         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4622         _ARCH_PWR6.
4623         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4624         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4625         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4626         Access PROTOTYPE as variable, not mask.
4627
4628 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4629
4630         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4631         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4632         * combine.c (adjust_for_new_dest): Use it.
4633         * postreload.c (reload_combine): Likewise.
4634
4635 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4636
4637         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4638         notes on an insn with multiple sets, even if single_set returns
4639         non-NULL for that insn.
4640
4641 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4642
4643         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4644         scalbn and scalbln.
4645
4646 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4647
4648         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4649         if user didn't pass it.
4650         * config/i386/darwin.h (CC1_SPEC): Likewise.
4651         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4652         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4653         -mmacosx-version-min.
4654
4655 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4656             Uros Bizjak  <ubizjak@gmail.com>
4657
4658         * optabs.h (enum optab_index): Add new OTI_scalb.
4659         (scalb_optab): Define corresponding macro.
4660         * optabs.c (init_optabs): Initialize scalb_optab.
4661         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4662         patterns.
4663         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4664         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4665         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4666         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4667         flag_unsafe_math_optimizations is set.
4668
4669         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4670         to implement scalbf, scalb and scalbl built-ins as inline x87
4671         intrinsics.
4672
4673 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4674             DJ Delorie <dj@redhat.com>
4675
4676         PR other/30824
4677         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4678         (diagnostic_report_diagnostic): ... here, and turn them into real
4679         errors. If warnings are inhibited, no need to do anything.
4680
4681 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4682
4683         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4684         better code generation.
4685
4686 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4687
4688         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4689
4690 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4691
4692         * config/alpha/alpha.c, config/alpha/alpha.md,
4693         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4694         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4695         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4696         config/arm/lib1funcs.asm: Follow spelling conventions.
4697
4698         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4699         config/fr30/fr30.md, config/i386/i386.h,
4700         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4701         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4702         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4703         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4704         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4705         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4706         config/sparc/sparc.c, config/sparc/sparc.h,
4707         config/sparc/sparc.md, config/spu/constraints.md,
4708         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4709         conventions.
4710
4711 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4712
4713         PR target/29943
4714         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4715         alias attribute.
4716
4717 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4718
4719         * doc/invoke.texi (-ftree-lrs): Remove.
4720
4721 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4722
4723         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4724         NULL.
4725
4726 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4727
4728         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4729         new CALL_EXPR_FN macro for retrieving the function
4730         declaration of the input expression.
4731
4732 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4733
4734         * c.opt (Waddress): New.
4735         * common.opt (Walways-true): Delete.
4736         (Wstring-literal-comparison): Delete.
4737         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4738         -Wstring-literal-comparison. Add -Waddress.
4739         (Waddress): New.
4740         (Walways-true): Delete.
4741         (Wstring-literal-comparison): Delete.
4742         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4743         consistently instead of -Walways-true in example.
4744         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4745         * c-typeck.c (parser_build_binary_op): Replace
4746         -Wstring-literal-comparison and -Walways-true with -Waddress.
4747         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4748         with -Waddress.
4749
4750 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4751
4752         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4753         without DECL_STRUCT_FUNCTION initialized.
4754
4755 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4756
4757         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4758         due to calls to functions taking pointers as parameters.
4759
4760 2007-02-19  Richard Henderson  <rth@redhat.com>
4761
4762         PR debug/29558
4763         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4764         in memory.
4765
4766 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4767
4768         * config/s390/s390.c (s390_call_saved_register_used,
4769         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4770         accessed to the new scheme.
4771
4772 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4773
4774         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4775         (cris_print_index, cris_print_operand, cris_print_operand_address)
4776         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4777         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4778         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4779         GET_CODE () == xxx.
4780         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4781         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4782         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4783         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4784         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4785         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4786         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4787         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4788         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4789         (uminsi3, call, call_value): Ditto.
4790         (define_split: indir_to_reg_split, unnamed): Ditto.
4791
4792 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4793
4794         PR tree-optimization/30975
4795         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4796         wrong assert.
4797
4798 2007-02-18  Eric Christopher  <echristo@gmail.com>
4799
4800         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4801         Remove use of arglist.
4802         (mips_expand_builtin): Remove use of arglist, pass in expr.
4803         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4804         (mips_expand_builtin_movtf): Ditto.
4805         (mips_expand_builtin_compare): Ditto.
4806
4807 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4808
4809         * tree-sra.c (sra_build_assignment): Replace assertion
4810         checking with a comment explaining why it can't be done.
4811
4812 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4813
4814         PR middle-end/30833
4815         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4816         during CALL_EXPR representation conversion.
4817         * tree-ssa-propagate.c (set_rhs): Likewise.
4818
4819 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4820
4821         * tree-sra.c (sra_build_assignment): Disable assertion checking
4822         for now.
4823
4824 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4825
4826         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4827         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4828         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4829         Likewise.
4830         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4831         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4832         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4833         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4834         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4835         force_gimple_operand): Likewise.
4836         * ipa-cp.c (constant_val_insert): Likewise.
4837         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4838         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4839         perfect_nestify): Likewise.
4840         * langhooks.c (lhd_omp_assignment): Likewise.
4841         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4842         lower_copyprivate_clauses, lower_send_clauses,
4843         lower_send_shared_vars, expand_parallel_call,
4844         expand_omp_for_generic, expand_omp_for_static_nochunk,
4845         expand_omp_for_static_chunk, expand_omp_sections,
4846         lower_omp_single_copy, lower_omp_for_lastprivate,
4847         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4848         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4849         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4850         Likewise.
4851
4852 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4853
4854         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4855         config/sh/sh.md: Follow spelling conventions.
4856
4857         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4858         config/frv/predicates.md: Follow spelling conventions.
4859
4860         * config/m68k/linux-unwind.h: Fix a comment typo.
4861         * target.h: Follow spelling conventions.
4862
4863 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4864
4865         PR rtl-optimization/28173
4866         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4867         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4868         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4869         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4870         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4871
4872 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4873
4874         * builtins.c (fold_builtin_load_exponent): New.
4875         (fold_builtin_2): Use it.
4876
4877 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4878
4879         PR rtl-optimization/30773
4880         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4881         if we fail to attach a REG_EQUIV note.
4882
4883 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4884             Roger Sayle  <roger@eyesopen.com>
4885
4886         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4887
4888 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4889
4890         * calls.c (initialize_argument_information): Pass original EXP
4891         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4892         code to split complex arguments here, as part of initializing the
4893         ARGS array.
4894         (expand_call): Remove code that builds a list of arguments and
4895         inserts implicit arguments into it.  Instead, just count how many
4896         implicit arguments there will be so we can determine the size of
4897         the ARGS array, and let initialize_argument_information do the work.
4898         (split_complex_values): Delete unused function.
4899
4900 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4901
4902         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4903
4904 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4905
4906         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4907         for arg pointer based indexed addressing.
4908
4909 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4910
4911         * config/ia64/ia64.h, config/ia64/ia64.md,
4912         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4913         spelling conventions.
4914
4915 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4916
4917         * config/m68k/m68k.c (split_di): New.
4918         * config/m68k/m68k-protos.h: Declare split_di.
4919         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4920           Improve predicate handling and split constant shifts.
4921
4922 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4923
4924         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4925         parameter for register bitfield operations, general predicates
4926         cleanup
4927
4928 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4929
4930         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4931         * config/m68k/linux-unwind.h: New file.
4932
4933 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4934
4935         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4936         config/i386/athlon.md, config/ia64/ia64.md,
4937         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4938         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4939         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4940         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4941         tree-vect-transform.c: Fix comment typos.
4942
4943 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4944
4945         * sched-deps.c (find_insn_list): Remove.
4946         * sched-int.h: Remove the prototype for find_insn_list.
4947
4948 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4949
4950         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4951         to linker.
4952         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4953         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4954         darwin_rs6000_override_options.
4955         (C_COMMON_OVERRIDE_OPTIONS): Expect
4956         darwin_macosx_version_min to be non-NULL always.
4957         (TARGET_C99_FUNCTIONS): Likewise.
4958         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4959         (DARWIN_MINVERSION_SPEC): New.
4960         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4961         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4962         to cc1*.
4963         (DARWIN_MINVERSION_SPEC): New.
4964         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4965         value.
4966         * config/darwin-c.c (darwin_cpp_builtins): Expect
4967         darwin_macosx_version_min to be non-NULL always.
4968
4969         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4970
4971 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4972
4973         * config/i386/i386.h (x86_use_xchgb): New.
4974         (TARGET_USE_XCHGB): New macro.
4975         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4976         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4977         Split after reload into bswaphi for shifts of 8.
4978         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4979         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4980         or when optimizing for size.
4981
4982 2007-02-16  Richard Guenther  <rguenther@suse.de>
4983             Christian Bruel  <christian.bruel@st.com>
4984
4985         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4986         DECLs but prefer SSA_NAMEs over DECLs.
4987
4988 2007-02-16  Richard Guenther  <rguenther@suse.de>
4989
4990         * tree-flow-inline.h (single_imm_use_p): Remove.
4991         (zero_imm_uses_p): Likewise.
4992         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4993         instead of single_imm_use_p.
4994         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4995         zero_imm_uses_p.
4996
4997 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4998
4999         PR other/27843
5000         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5001         nested double- and backquotes.
5002
5003 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5004
5005         PR middle-end/30391
5006         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5007         should be unreachable.
5008         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5009         For the time being redirect GIMPLE_MODIFY_STMT to the new
5010         (renamed) build_gimple_modify_stmt_stat.
5011         (build2_gimple_stat): Rename to...
5012         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5013         Always build a GIMPLE_MODIFY_STMT node.
5014         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5015         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5016         declarations.
5017
5018         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5019         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5020         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5021         expand_complex_div_wide): Likewise.
5022         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5023         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5024         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5025         * tree-ssa-loop-manip.c (create_iv): Likewise.
5026         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5027         abs_replacement): Likewise.
5028         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5029         realify_fake_stores): Likewise.
5030
5031         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5032         node rather than a GIMPLE_MODIFY_STMT node.
5033         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5034         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5035         Likewise.
5036         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5037         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5038         GIMPLE_MODIFY_STMT.
5039
5040 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5041
5042         PR middle-end/30433
5043         * fold-const.c (fold_comparison): Add back the
5044         folding of constant complex comparisions.
5045
5046 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5047
5048         PR middle-end/30729
5049         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5050         effects unknown to this function, return early.
5051
5052 2007-02-15  Ian Lance Taylor  <iant@google.com>
5053
5054         * lower-subreg.c (move_eh_region_note): New static function.
5055         (resolve_simple_move): Call it.
5056         (decompose_multiword_subregs): Track blocks for which we resolve a
5057         simple move which is also a control flow insn.  Pass them to
5058         find_many_sub_basic_blocks.
5059         (pass_lower_subreg): Add TODO_verify_flow.
5060         (pass_lower_subreg2): Likewise.
5061
5062 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5063             Brooks Moses  <brooks.moses@codesourcery.com>
5064             Lee Millward  <lee.millward@codesourcery.com>
5065
5066         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5067         (VL_EXP_CLASS_P): New.
5068         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5069         TREE_CODE_LENGTH.
5070         (TREE_OPERAND_CHECK_CODE): Likewise.
5071         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5072         (TREE_RTL_OPERAND_CHECK): Likewise.
5073         (tree_operand_check_failed): Make second parameter the whole tree
5074         instead of its code.  Fixed callers.
5075         (VL_EXP_CHECK): New.
5076         (TREE_OPERAND_LENGTH): New.
5077         (VL_EXP_OPERAND_LENGTH): New.
5078         (CALL_EXPR_FN): New.
5079         (CALL_EXPR_STATIC_CHAIN): New.
5080         (CALL_EXPR_ARGS): New.
5081         (CALL_EXPR_ARG): New.
5082         (call_expr_nargs): New.
5083         (CALL_EXPR_ARGP): New.
5084         (build_nt_call_list): Declare.
5085         (build_vl_exp_stat): Declare.
5086         (build_vl_exp): New.
5087         (build_call_list): Declare.
5088         (build_call_nary): Declare.
5089         (build_call_valist): Declare.
5090         (build_call_array): Declare.
5091         (call_expr_arg): Declare.
5092         (call_expr_argp): Declare.
5093         (call_expr_arglist): Declare.
5094         (fold_build_call_list): Declare.
5095         (fold_build_call_list_initializer): Declare.
5096         (fold_call_expr): Declare to replace fold_builtin.
5097         (fold_builtin_fputs): Update to agree with modified definition.
5098         (fold_builtin_strcpy): Likewise.
5099         (fold_builtin_strncpy): Likewise.
5100         (fold_builtin_memory_chk): Likewise.
5101         (fold_builtin_stxcpy_chk): Likewise.
5102         (fold_builtin_strncpy_chk): Likewise.
5103         (fold_builtin_next_arg): Likewise.
5104         (fold_build_call_expr): Declare.
5105         (fold_builtin_call_list): Declare.
5106         (fold_builtin_call_valist): Declare.
5107         (build_call_expr): Declare.
5108         (validate_arglist): Update to agree with modified definition.
5109         (tree_operand_length): New.
5110         (call_expr_arg_iterator): New.
5111         (init_call_expr_arg_iterator): New.
5112         (next_call_expr_arg): New.
5113         (first_call_expr_arg): New.
5114         (more_call_expr_args_p): New.
5115         (FOR_EACH_CALL_EXPR_ARG): New.
5116
5117         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5118         and tcc_gimple_stmt.
5119         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5120         than sizeof (char *).
5121         (tree_size): Likewise.  Add case for tcc_vl_exp.
5122         (tree_node_structure): Add case for tcc_vl_exp.
5123         (contains_placeholder_p): Likewise.
5124         (substitute_in_expr): Likewise.
5125         (substitute_placeholder_in_expr): Likewise.
5126         (stabilize_reference_1): Likewise.
5127         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5128         to diagnose breakage of this interface for constructing CALL_EXPRs.
5129         (build_nt): Add similar assertion here.
5130         (build_nt_call_list): New.
5131         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5132         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5133         TREE_CODE_LENGTH.
5134         (get_callee_fndecl): Use new CALL_EXPR accessors.
5135         (tree_operand_check_failed): Change parameters to pass entire node
5136         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5137         (process_call_operands): New.
5138         (build_vl_exp_stat): New.
5139         (build_call_list): New.
5140         (build_call_nary): New.
5141         (build_call_valist): New.
5142         (build_call_array): New.
5143         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5144         (call_expr_arglist): New.
5145
5146         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5147         tcc_vl_exp instead of a fixed-size tcc_expression.
5148
5149         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5150         accessors for CALL_EXPRs.
5151         (AGGR_INIT_EXPR): Likewise.
5152
5153 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5154             Brooks Moses  <brooks.moses@codesourcery.com>
5155             Lee Millward  <lee.millward@codesourcery.com>
5156
5157         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5158         (expand_builtin_nonlocal_goto): Change parameter to be entire
5159         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5160         (expand_builtin_prefetch): Likewise.
5161         (expand_builtin_classify_type): Likewise.
5162         (mathfn_built_in): Return NULL_TREE instead of 0.
5163         (expand_errno_check): Use new CALL_EXPR accessors.
5164         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5165         Return NULL_RTX instead of 0.
5166         (expand_builtin_mathfn_2): Likewise.
5167         (expand_builtin_mathfn_3): Likewise.
5168         (expand_builtin_interclass_mathfn): Likewise.
5169         (expand_builtin_sincos): Likewise.
5170         (expand_builtin_cexpi): Likewise.
5171         (expand_builtin_int_roundingfn): Likewise.
5172         (expand_builtin_int_roundingfn_2): Likewise.
5173         (expand_builtin_pow): Likewise.
5174         (expand_builtin_powi): Likewise.
5175         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5176         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5177         accessors and constructors.  Return NULL_RTX instead of 0.
5178         (expand_builtin_strstr): Likewise.
5179         (expand_builtin_strchr): Likewise.
5180         (expand_builtin_strrchr): Likewise.
5181         (expand_builtin_strpbrk): Likewise.
5182         (expand_builtin_memcpy): Likewise.
5183         (expand_builtin_mempcpy): Likewise.
5184         (expand_builtin_mempcpy_args): New.
5185         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5186         (expand_builtin_memmove_args): New.
5187         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5188         (expand_movstr): Likewise.
5189         (expand_builtin_strcpy): Likewise.
5190         (expand_builtin_strcpy_args): New.
5191         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5192         (expand_builtin_strncpy): Likewise.
5193         (expand_builtin_memset): Likewise.
5194         (expand_builtin_memset_args): New.
5195         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5196         (expand_builtin_memcmp): Likewise.
5197         (expand_builtin_strcmp): Likewise.
5198         (expand_builtin_strncmp): Likewise.
5199         (expand_builtin_strcat): Likewise.
5200         (expand_builtin_strncat): Likewise.
5201         (expand_builtin_strspn): Likewise.
5202         (expand_builtin_strcspn): Likewise.
5203         (expand_builtin_args_info): Likewise.
5204         (expand_builtin_va_start): Likewise.
5205         (gimplify_va_arg_expr): Likewise.
5206         (expand_builtin_va_end): Likewise.
5207         (expand_builtin_va_copy): Likewise.
5208         (expand_builtin_frame_address): Likewise.
5209         (expand_builtin_alloca): Likewise.
5210         (expand_builtin_bswap): Likewise.
5211         (expand_builtin_unop): Likewise.
5212         (expand_builtin_fputs): Likewise.
5213         (expand_builtin_expect): Likewise.
5214         (expand_builtin_fabs): Likewise.
5215         (expand_builtin_copysign): Likewise.
5216         (expand_builtin_printf): Likewise.
5217         (expand_builtin_fprintf): Likewise.
5218         (expand_builtin_sprintf): Likewise.
5219         (expand_builtin_init_trampoline): Likewise.
5220         (expand_builtin_signbit): Likewise.
5221         (expand_builtin_fork_or_exec): Likewise.
5222         (expand_builtin_sync_operation): Likewise.
5223         (expand_builtin_compare_and_swap): Likewise.
5224         (expand_builtin_lock_test_and_set): Likewise.
5225         (expand_builtin_lock_release): Likewise.
5226         (expand_builtin): Likewise.
5227         (builtin_mathfn_code): Likewise.
5228
5229         (fold_builtin_constant_p): Pass call arguments individually instead
5230         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5231         accessors and constructors.  Return NULL_TREE instead of 0.
5232         (fold_builtin_expect): Likewise.
5233         (fold_builtin_classify_type): Likewise.
5234         (fold_builtin_strlen): Likewise.
5235         (fold_builtin_nan): Likewise.
5236         (integer_valued_real_p): Likewise.
5237         (fold_trunc_transparent_mathfn): Likewise.
5238         (fold_fixed_mathfn): Likewise.
5239         (fold_builtin_cabs): Likewise.
5240         (fold_builtin_sqrt): Likewise.
5241         (fold_builtin_cbrt): Likewise.
5242         (fold_builtin_cos): Likewise.
5243         (fold_builtin_cosh): Likewise.
5244         (fold_builtin_tan): Likewise.
5245         (fold_builtin_sincos): Likewise.
5246         (fold_builtin_cexp): Likewise.
5247         (fold_builtin_trunc): Likewise.
5248         (fold_builtin_floor): Likewise.
5249         (fold_builtin_ceil): Likewise.
5250         (fold_builtin_round): Likewise.
5251         (fold_builtin_int_roundingfn): Likewise.
5252         (fold_builtin_bitop): Likewise.
5253         (fold_builtin_bswap): Likewise.
5254         (fold_builtin_logarithm): Likewise.
5255         (fold_builtin_hypot): Likewise.
5256         (fold_builtin_pow): Likewise.
5257         (fold_builtin_powi): Likewise.
5258         (fold_builtin_exponent): Likewise.
5259         (fold_builtin_memset): Likewise.
5260         (fold_builtin_bzero): Likewise.
5261         (fold_builtin_memory_op): Likewise.
5262         (fold_builtin_bcopy): Deleted; call site changed to invoke
5263         fold_builtin_memory_op directly.
5264         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5265         (fold_builtin_strncpy): Likewise.
5266         (fold_builtin_memcmp): Likewise.
5267         (fold_builtin_strcmp): Likewise.
5268         (fold_builtin_strncmp): Likewise.
5269         (fold_builtin_signbit): Likewise.
5270         (fold_builtin_copysign): Likewise.
5271         (fold_builtin_isascii): Likewise.
5272         (fold_builtin_toascii): Likewise.
5273         (fold_builtin_isdigit): Likewise.
5274         (fold_builtin_fabs): Likewise.
5275         (fold_builtin_abs): Likewise.
5276         (fold_builtin_fmin_fmax): Likewise.
5277         (fold_builtin_carg): Likewise.
5278         (fold_builtin_classify): Likewise.
5279         (fold_builtin_unordered_cmp): Likewise.
5280
5281         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5282         New functions split out from fold_builtin_1.
5283         (fold_builtin_n): New.
5284         (fold_builtin_varargs): New.
5285         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5286         instead.
5287         (fold_call_expr): New.
5288         (build_function_call_expr): Rewrite to use new helper function.
5289         (fold_builtin_call_list): New.
5290         (build_call_expr): New.
5291         (fold_builtin_call_valist): New.
5292         (rewrite_call_expr): New.
5293         (validate_arg): New.
5294         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5295         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5296         accessors.
5297
5298         (fold_builtin_strstr):  Pass call arguments individually instead
5299         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5300         accessors and constructors.  Return NULL_TREE instead of 0.
5301         (fold_builtin_strchr): Likewise.
5302         (fold_builtin_strrchr): Likewise.
5303         (fold_builtin_strpbrk): Likewise.
5304         (fold_builtin_strcat): Likewise.
5305         (fold_builtin_strncat): Likewise.
5306         (fold_builtin_strspn): Likewise.
5307         (fold_builtin_strcspn): Likewise.
5308         (fold_builtin_fputs): Likewise.
5309         (fold_builtin_next_arg): Likewise.
5310         (fold_builtin_sprintf): Likewise.
5311
5312         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5313         NULL_RTX instead of 0.
5314         (expand_builtin_memory_chk): Likewise.
5315         (maybe_emit_chk_warning): Likewise.
5316         (maybe_emit_sprintf_chk_warning): Likewise.
5317
5318         (fold_builtin_object_size): Pass call arguments individually instead
5319         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5320         accessors and constructors.  Return NULL_TREE instead of 0.
5321         (fold_builtin_memory_chk): Likewise.
5322         (fold_builtin_stxcpy_chk): Likewise.
5323         (fold_builtin_strncpy_chk): Likewise.
5324         (fold_builtin_strcat_chk): Likewise.
5325         (fold_builtin_strcat_chk): Likewise.
5326         (fold_builtin_strncat_chk): Likewise.
5327         (fold_builtin_sprintf_chk): Likewise.
5328         (fold_builtin_snprintf_chk): Likewise.
5329         (fold_builtin_printf): Likewise.
5330         (fold_builtin_vprintf): Likewise.
5331
5332         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5333         constructors.
5334         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5335         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5336         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5337         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5338         (fold_unary): Likewise.
5339         (fold_binary): Likewise.
5340         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5341         ternary expressions.
5342         (fold): Add logic for tcc_vl_exp.
5343         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5344         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5345         (fold_build3_stat): Add assertion to flag broken interface for
5346         constructing CALL_EXPRs.
5347         (fold_build_call_list): New.
5348         (fold_build_call_list_initializer): New.
5349         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5350         constructors.
5351         (fold_strip_sign_ops): Likewise.
5352
5353 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5354             Brooks Moses  <brooks.moses@codesourcery.com>
5355             Lee Millward  <lee.millward@codesourcery.com>
5356
5357         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5358         accessors and dump arguments explicitly.
5359
5360         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5361         TREE_CODE_LENGTH.
5362         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5363         explicitly.
5364         (print_call_name): Use new CALL_EXPR accessors.
5365
5366         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5367         CALL_EXPR arguments explicitly instead of as a list.  Use
5368         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5369
5370         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5371         (vrp_visit_stmt): Likewise.
5372
5373         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5374         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5375         TREE_CODE_LENGTH.
5376         (force_move_till_expr): Likewise.
5377
5378         * targhooks.c (default_external_stack_protect_fail): Use
5379         build_call_expr instead of build_function_call_expr.
5380         (default_hidden_stack_protect_fail): Likewise.
5381
5382         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5383         build the call.
5384
5385         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5386         and walk arguments explicitly.
5387
5388         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5389         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5390         (expand_simple_operations): Likewise.
5391         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5392
5393         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5394         of TREE_CODE_LENGTH.
5395         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5396
5397         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5398         instead of TREE_CODE_LENGTH.
5399
5400         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5401         (tree_ic_transform): Likewise.
5402         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5403         parameter instead of arglist.  Fix callers.
5404         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5405         (tree_stringops_transform): Likewise.
5406         (tree_indirect_call_to_profile): Likewise.
5407         (tree_stringops_values_to_profile): Likewise.
5408
5409         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5410         (eliminate_tail_call): Likewise.
5411
5412         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5413
5414         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5415         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5416         operands.
5417         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5418
5419         * omp-low.c (build_omp_barrier): Use build_call_expr.
5420         (lower_rec_input_clauses): Likewise.
5421         (lower_reduction_clauses): Likewise.
5422         (expand_parallel_call): Likewise.
5423         (maybe_catch_exception): Likewise.
5424         (expand_omp_for_generic): Likewise.
5425         (expand_omp_for_static_nochunk): Likewise.
5426         (expand_omp_sections): Likewise.
5427         (lower_omp_single_simple): Likewise.
5428         (lower_omp_single_copy): Likewise.
5429         (lower_omp_master): Likewise.
5430         (lower_omp_ordered): Likewise.
5431         (lower_omp_critical): Likewise.
5432
5433         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5434         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5435
5436         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5437         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5438         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5439
5440         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5441         and generalize to handle any number of operands.
5442         (chrec_contains_undetermined): Likewise.
5443         (tree_contains_chrecs): Likewise.
5444         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5445
5446         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5447
5448         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5449         fold_call_expr instead of fold_builtin.
5450         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5451         match declarations there.
5452         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5453         updates.
5454
5455         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5456         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5457
5458         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5459         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5460
5461         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5462         accessors.
5463
5464         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5465         (execute_cse_sincos): Use new CALL_EXPR accessors.
5466
5467         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5468
5469         * gimple-low.c (lower_function_body): Use build_call_expr.
5470         (lower_builtin_setjmp): Likewise.
5471
5472         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5473         (set_storage_via_libcall): Likewise.
5474         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5475         instead of TREE_CODE_LENGTH.
5476         (expand_expr_real_1): Use new CALL_EXPR accessors.
5477
5478         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5479         generalize to handle any number of operands.
5480         (TB_parent_eq): Likewise.
5481
5482         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5483         (strip_builtin_expect): Likewise.
5484
5485         * function.c (gimplify_parameters): Use build_call_expr.
5486
5487         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5488         instead of TREE_CODE_LENGTH.
5489
5490         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5491         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5492
5493         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5494         iterators.
5495
5496         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5497         (gimplify_decl_expr): Likewise.
5498         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5499         Use new CALL_EXPR iterators.
5500         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5501         (gimplify_modify_expr_to_memset): Likewise.
5502         (gimplify_variable_sized_compare): Likewise.
5503         (gimplify_omp_atomic_fetch_op): Likewise.
5504         (gimplify_omp_atomic_pipeline): Likewise.
5505         (gimplify_omp_atomic_mutex): Likewise.
5506         (gimplify_function_tree): Likewise.
5507
5508         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5509         (call_expr_flags): Likewise.
5510         (expand_call): Likewise.
5511
5512         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5513         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5514         accessors.
5515
5516         * coverage.c (create_coverage): Use build_call_expr.
5517
5518         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5519         (temp_call_expr_obstack): New.
5520         (pool_copy_list): Delete.
5521         (temp_copy_call_expr): New.
5522         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5523         CALL_EXPR accessors.  Get rid of special goo for copying argument
5524         lists and use temp_copy_call_expr instead.
5525         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5526         CALL_EXPR accessors.
5527         (create_expression_by_pieces): Likewise.  Use build_call_array
5528         to construct the result instead of fold_build3.
5529         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5530         dealing with argument lists.
5531         (init_pre): Remove references to expression_node_pool and
5532         list_node_pool.  Init temp_call_expr_obstack instead.
5533         (fini_pre): Remove references to expression_node_pool and
5534         list_node_pool.
5535
5536         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5537         and walk arguments explicitly instead of as a list.
5538
5539         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5540         (mx_register_decls): Likewise.
5541         (mudflap_register_call): Likewise.
5542         (mudflap_finish_file): Likewise.
5543
5544         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5545         (ipa_callsite_compute_param): Likewise.
5546
5547         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5548         accessors and constructor.
5549
5550         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5551         accessors and constructor.
5552         (convert_tramp_reference): Likewise.
5553         (convert_call_expr): Likewise.
5554         (finalize_nesting_tree_1): Likewise.
5555
5556         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5557         accessors.
5558
5559         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5560
5561         * tree-inline.c (initialize_inlined_parameters): Pass entire
5562         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5563         accessors.
5564         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5565         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5566
5567         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5568         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5569         (vectorizable_reduction): Likewise.
5570         (vectorizable_call): Use new CALL_EXPR iterators.
5571         (vectorizable_conversion): Use build_call_expr.
5572         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5573         (vect_gen_widened_results_half): Use build_call_expr.
5574         (vect_setup_realignment): Likewise.
5575         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5576
5577         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5578         (pass_through_call): Likewise.
5579         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5580         fold_builtin.
5581
5582         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5583         (tree_gen_pow2_profiler): Likewise.
5584         (tree_gen_one_value_profiler): Likewise.
5585         (tree_gen_ic_func_profiler): Likewise.
5586         (tree_gen_average_profiler): Likewise.
5587         (tree_gen_ior_profiler): Likewise.
5588
5589         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5590         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5591         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5592
5593         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5594         of TREE_CODE_LENGTH.
5595
5596         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5597         of TREE_CODE_LENGTH.
5598
5599         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5600         constructor.
5601         (convert_to_integer): Likewise.
5602
5603         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5604         accessors.
5605
5606 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5607             Brooks Moses  <brooks.moses@codesourcery.com>
5608             Lee Millward  <lee.millward@codesourcery.com>
5609
5610         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5611         accessors.
5612         * config/frv/frv.c (frv_expand_builtin): Likewise.
5613         * config/s390/s390.c (s390_expand_builtin): Likewise.
5614
5615         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5616         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5617
5618         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5619         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5620         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5621         (ix86_expand_store_builtin): Likewise.
5622         (ix86_expand_unop_builtin): Likewise.
5623         (ix86_expand_unop1_builtin): Likewise.
5624         (ix86_expand_sse_compare): Likewise.
5625         (ix86_expand_sse_comi): Likewise.
5626         (ix86_expand_vec_init_builtin): Likewise.
5627         (ix86_expand_vec_ext_builtin): Likewise.
5628         (ix86_expand_vec_set_builtin): Likewise.
5629         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5630
5631         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5632         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5633
5634         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5635         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5636         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5637
5638         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5639         build_call_expr.
5640         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5641         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5642         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5643         (altivec_expand_abs_builtin): Likewise.
5644         (rs6000_expand_binop_builtin): Likewise.
5645         (altivec_expand_predicate_builtin): Likewise.
5646         (altivec_expand_lv_builtin): Likewise.
5647         (spe_expand_stv_builtin): Likewise.
5648         (altivec_expand_stv_builtin): Likewise.
5649         (rs6000_expand_ternop_builtin): Likewise.
5650         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5651         (altivec_expand_st_builtin): Likewise.
5652         (altivec_expand_dst_builtin): Likewise.
5653         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5654         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5655         (altivec_expand_vec_set_builtin): Likewise.
5656         (altivec_expand_vec_ext_builtin): Likewise.
5657         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5658         (spe_expand_builtin): Likewise.
5659         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5660         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5661         (spe_expand_evsel_builtin): Likewise.
5662         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5663         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5664
5665         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5666         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5667         (arm_expand_unop_builtin): Likewise.
5668         (arm_expand_builtin): Use new CALL_EXPR accessors.
5669
5670         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5671         accessors.
5672
5673         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5674         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5675         (bfin_expand_unop_builtin): Likewise.
5676         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5677
5678 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5679             Brooks Moses  <brooks.moses@codesourcery.com>
5680             Lee Millward  <lee.millward@codesourcery.com>
5681
5682         * c-semantics.c (build_stmt): Add internal diagnostic check.
5683
5684         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5685         accessors.  Print arguments explicitly instead of as a list.
5686
5687         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5688
5689         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5690         (c_finish_omp_flish): Likewise.
5691
5692         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5693         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5694         instead of TREE_CODE_LENGTH.
5695         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5696         (c_warn_unused_result): Likewise.
5697
5698 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5699
5700         PR c/26494
5701         * doc/invoke.texi (Warning Options): Remove
5702         -Werror-implicit-function-declaration.
5703         (Wimplicit-function-declaration): Update description.
5704         * opts.c (common_handle_option): Move handling of -Werror=* to...
5705         (enable_warning_as_error): ...here.
5706         * opts.h (enable_warning_as_error): Declare.
5707         * c-decl.c (implicit_decl_warning): Unless
5708         -Wno-implicit-function-declaration is given, emit a pedwarn if
5709         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5710         * c.opt (Wimplicit-function-declaration): Replace
5711         mesg_implicit_function_declaration with
5712         warn_implicit_function_declaration.
5713         * c-opts.c (c_common_handle_option):
5714         -Werror-implicit-function-declaration is exactly equal as
5715         -Werror=implicit-function-declaration.
5716         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5717         warn_implicit_function_declaration.
5718         (c_common_post_options): -Wimplict-function-declaration is enabled
5719         by default by -std=c99, otherwise is disabled by default.
5720         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5721
5722 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5723
5724         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5725         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5726         former is ignored but not the latter.
5727
5728 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5729
5730         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5731         is made and the reference doesn't use the alias set of its type,
5732         do not create the temporary using that type.
5733
5734 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5735
5736         * jump.c: Remove prototypes for delete_computation and
5737         delete_prior_computation.
5738
5739 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5740
5741         * jump.c (get_label_after): Delete.
5742         (get_label_before, delete_computation, delete_jump,
5743         delete_prior_computation, follow_jumps): Move...
5744         * reorg.c (delete_computation, delete_prior_computation): ... here...
5745         (get_label_before, delete_jump): ... making these static ...
5746         (follow_jumps): ... and simplifying this since it only runs after
5747         reload.
5748         * rtl.h (get_label_after, get_label_before, delete_jump,
5749         follow_jumps): Delete prototypes.
5750
5751 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5752
5753         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5754
5755 2007-02-15  Nick Clifton  <nickc@redhat.com>
5756
5757         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5758         order to prevent it from being munged by the target.
5759
5760 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5761
5762         * config/i386/i386.md: Remove misleading comment.
5763
5764 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5765
5766         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5767         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5768         invalid patterns.
5769
5770 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5771
5772         * tree-sra.c (instantiate_missing_elements): Canonicalize
5773         bit-field types.
5774         (sra_build_assignment): New.
5775         (generate_copy_inout, generate_element_copy,
5776         generate_element_zero, generate_one_element_init): Use it.
5777
5778 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5779
5780         * tree-sra.c (instantiate_missing_elements): Canonicalize
5781         bit-field types.
5782         (sra_build_assignment): New.
5783         (generate_copy_inout, generate_element_copy,
5784         generate_element_zero, generate_one_element_init): Use it.
5785
5786 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5787
5788         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5789         limbo die nodes.
5790
5791 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5792
5793         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5794         types as aggregates not scalars.
5795         * function.c (assign_stack_temp_for_type): Likewise.
5796
5797 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5798             Zdenek Dvorak  <dvorakz@suse.cz>
5799
5800         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5801         name.
5802
5803 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5804
5805         * passes.c (next_pass_1): Clear the next field of the copied
5806         pass structure.
5807
5808 2007-02-14  Richard Henderson  <rth@redhat.com>
5809
5810         * tree-sra.c (early_sra): New.
5811         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5812         (tree_sra_early, pass_sra_early): New.
5813         * tree-pass.h (pass_sra_early): Declare.
5814         * passes.c (init_optimization_passes): Use it.
5815
5816 2007-02-14  Richard Guenther  <rguenther@suse.de>
5817
5818         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5819
5820 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5821
5822          PR tree-optimization/30771
5823         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5824         also phi nodes.
5825         (vect_analyze_operations): Induction phis can now be marked as
5826         used_in_loop.
5827         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5828         Update documentation accordingly.
5829
5830 2007-02-14  Nick Clifton  <nickc@redhat.com>
5831
5832         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5833         most 3 arguments are supported.
5834         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5835
5836 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5837
5838         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5839         Ensure dst->current is valid.
5840
5841 2007-02-13  Paul Brook  <paul@codesourcery.com>
5842
5843         * config.gcc: Add arm*-*-uclinux-*eabi.
5844         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5845         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5846         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5847         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5848         (LINK_SPEC): Define.
5849         (LIB_SPEC): Define.
5850         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5851         register.
5852         * config/arm/uclinux-eabi.h: New file.
5853         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5854         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5855         based targets.
5856
5857 2007-02-13  Ian Lance Taylor  <iant@google.com>
5858
5859         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5860         * flags.h (warn_strict_overflow): Declare.
5861         (enum warn_strict_overflow_code): Define.
5862         (issue_strict_overflow_warning): New static inline function.
5863         * opts.c (warn_strict_overflow): New variable.
5864         (common_handle_option): Handle OPT_Wstrict_overflow and
5865         OPT_Wstrict_overflow_.
5866         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5867         OPT_Wall.
5868         * fold-const.c: Include intl.h.
5869         (fold_deferring_overflow_warnings): New static variable.
5870         (fold_deferred_overflow_warning): New static variable.
5871         (fold_deferred_overflow_code): New static variable.
5872         (fold_defer_overflow_warnings): New function.
5873         (fold_undefer_overflow_warnings): New function.
5874         (fold_undefer_and_ignore_overflow_warnings): New function.
5875         (fold_deferring_overflow_warnings_p): New function.
5876         (fold_overflow_warning): New static function.
5877         (make_range): Add strict_overflow_p parameter.  Change all
5878         callers.
5879         (extract_muldiv, extract_muldiv_1): Likewise.
5880         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5881         tree_expr_nonnegative_p.
5882         (fold_negate_expr): Call fold_overflow_warning.
5883         (fold_range_test): Likewise.
5884         (fold_comparison): Likewise.
5885         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5886         instead of tree_expr_nonnegative_p.
5887         (tree_expr_nonnegative_warnv_p): Rename from
5888         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5889         (tree_expr_nonnegative_p): New function.
5890         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5891         strict_overflow_p parameter.
5892         (tree_expr_nonzero_p): New function.
5893         * passes.c (verify_interpass_invariants): New static function.
5894         (execute_one_pass): Call it.
5895         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5896         warnings.
5897         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5898         (estimate_numbers_of_iterations): Likewise.
5899         (scev_probably_wraps_p): Likewise.
5900         * tree-ssa-ccp.c: Include "toplev.h".
5901         (evaluate_stmt): Defer fold overflow warnings until we know we are
5902         going to optimize.
5903         (struct fold_stmt_r_data): Add stmt field.
5904         (fold_stmt_r): Defer fold overflow warnings until we know we
5905         optimized.
5906         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5907         (fold_stmt_inplace): Likewise.
5908         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5909         (cleanup_control_expr_graph): Defer fold overflow warnings until
5910         we know we are going to optimize.
5911         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5912         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5913         Likewise.
5914         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5915         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5916         * tree-ssa-loop-manip.c (create_iv): Likewise.
5917         * c-typeck.c (build_conditional_expr): Likewise.
5918         (build_binary_op): Likewise.
5919         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5920         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5921         (extract_range_from_unary_expr): Likewise.
5922         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5923         assuming that signed overflow does not occur.
5924         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5925         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5926         (fold_defer_overflow_warnings): Declare.
5927         (fold_undefer_overflow_warnings): Declare.
5928         (fold_undefer_and_ignore_overflow_warnings): Declare.
5929         (fold_deferring_overflow_warnings_p): Declare.
5930         (tree_expr_nonzero_warnv_p): Declare.
5931         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5932         of warning options.
5933         (Warning Options): Document -Wstrict-overflow.
5934         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5935         (tree-ssa-ccp.o): Likewise.
5936         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5937         (fold-const.o): Depend on intl.h.
5938
5939 2007-02-13  Ian Lance Taylor  <iant@google.com>
5940
5941         PR middle-end/30751
5942         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5943         addresses.
5944
5945 2007-02-13  Stuart Hastings  <stuart@apple.com>
5946
5947         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5948
5949 2007-02-13  Richard Henderson  <rth@redhat.com>
5950
5951         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5952         handled_component_p before looking for the indirect_ref.
5953
5954 2007-02-13  Richard Henderson  <rth@redhat.com>
5955
5956         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5957         remove flags clobber.
5958         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5959         (bswaphi_lowpart): New.
5960         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5961         remove TARGET_BSWAP test.  Delete expander of the same name.
5962
5963         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5964         (expand_unop): Use them.
5965
5966 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5967
5968         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5969         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5970         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5971         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5972         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5973         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5974         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5975         assembler dialect choice from asm templates.
5976
5977 2007-02-12  Richard Henderson  <rth@redhat.com>
5978
5979         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5980         (fixuns_trunc<SSEMODEF>si2): Use it.
5981         * config/i386/sse.md (vec_setv4sf_0): Export.
5982         * config/i386/i386.c (ix86_build_const_vector): Export.
5983         (ix86_split_convert_uns_si_sse): Rename from
5984         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5985         * config/i386/i386-protos.h: Update.
5986
5987 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5988
5989         PR c/29521
5990         * c-typeck.c (c_finish_return): Improve warning message.
5991
5992 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5993
5994         * alias.c (find_symbolic_term): Delete unused function.
5995
5996 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5997
5998         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5999         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6000         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6001
6002 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6003
6004         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6005         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6006         the function, temporarily point the debug interface to the null one.
6007
6008 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6009
6010         * dwarf2out.c (round_up_to_align): New static function.
6011         (field_byte_offset): Use it to round the offset.
6012
6013 2007-02-12  Richard Henderson  <rth@redhat.com>
6014
6015         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6016         (inswl_const): Export.
6017
6018 2007-02-12  Richard Henderson  <rth@redhat.com>
6019
6020         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6021         result mode of the libcall, convert back to outmode.
6022
6023 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6024
6025         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6026         (bswapdi2): New define_expand to implement 32-bit implementation.
6027
6028 2007-02-12  Nick Clifton  <nickc@redhat.com>
6029
6030         * doc/invoke.texi (Overall Options): Document --help=.
6031         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6032         (cc1_options): Pass --help= on to cc1.
6033         (display_help): Add description of --help=.
6034         (process_command): Add code to handle --help=.  Allow translated
6035         --help and --target-help switches to be passed on to compiler
6036         sub-process.
6037         (main): Remove unused if statement.
6038         * opts.c (columns): Remove.
6039         (LEFT_COLUMN): Define.
6040         (wrap_help): Add columns argument.
6041         (print_filtered_help): Change parameters to be an include bitmask,
6042         an exclude bitmask, an any bitmask and the column width.  Move the
6043         code to display the params list here.  Add code to display the
6044         status of options rather than their descriptions if the quiet flag
6045         is not active.
6046         (print_specific_help): Change parameters to be an include bitmask,
6047         an exclude bitmask and an any bitmask.  Move code to look up the
6048         column width here.  Decide upon the title for an options listing.
6049         (common_handle_options): Add code to handle --help=.  Adapt code
6050         for --help and --target-help to use the revised form of the
6051         print_specific_help function.
6052         (print_help): Delete.
6053         (print_param_help): Delete.
6054         (print_switch): Delete.
6055         * opts.h (cl_lang_count): Add prototype.
6056         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6057         CL_MAX_OPTION_CLASS): New defines.
6058         * optc-gen.awk: Add construction of cl_lang_count.
6059         * c.opt: Add Warning attribute to warning options and Optimization
6060         attribute to optimization options.
6061         * common.opt: Likewise.
6062         Add --help=.
6063         Add -fhelp and -ftarget-help as aliases for the transformed --help
6064         and --target-help options.
6065         * opt-functions.awk: Add code to handle Warning and Optimization
6066         attributes.
6067
6068 2007-02-12  Richard Henderson  <rth@redhat.com>
6069
6070         * config/alpha/constraints.md: New file.
6071         * config/alpha/alpha.c: Include tm-constrs.h.
6072         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6073         alpha_extra_constraint): Remove.
6074         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6075         * config/alpha/alpha-protos.h: Update.
6076         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6077         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6078         (EXTRA_CONSTRAINT): Remove.
6079         * config/alpha/alpha.md: Include constraints.md.
6080         (adddi splitter): Use satisfies_constraint_*.
6081         * config/alpha/predicates.md (add_operand): Likewise.
6082         (sext_add_operand, addition_operation): Likewise.
6083
6084 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6085
6086         PR tree-optimization/29145
6087         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6088         in our handling of restrict qualified pointers.
6089
6090 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6091
6092         PR middle-end/7651
6093         * doc/invoke.texi (Wunused-value): Update description.
6094         (Wextra): Delete item.
6095         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6096         value of Wunused-value.
6097         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6098         (c_finish_stmt_expr): Don't check extra_warnings.
6099         (emit_side_effect_warnings): The caller is responsible to check
6100         warn_unused_value.
6101
6102 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6103             Matt Thomas  <matt@3am-software.com>
6104
6105         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6106
6107 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6108
6109         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6110         comparisons of POPCOUNT against zero.
6111         (simplify_const_relational_operation): Likewise.
6112
6113 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6114
6115         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6116
6117 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6118
6119         * dwarf2out.c (root_type): Delete unused function.
6120
6121 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6122
6123         * genattrtab.c (contained_in_p): Delete unused function.
6124         (write_expr_attr_cache): Likewise.
6125
6126 2007-02-11  Jan Hubicka  <jh@suse.cz>
6127
6128         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6129         previous patch.
6130
6131 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6132
6133         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6134         to add the REG_EQ* note.
6135         * see.c (see_merge_one_use_extension): Likewise.
6136         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6137         turn REG_EQUAL notes into REG_EQUIV notes if the target
6138         register may have more than one set.
6139         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6140         * gcse.c (try_replace_reg): Likewise.
6141         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6142         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6143         more than one REG_EQUIV note.
6144         * reload1.c (gen_reload): Use set_unique_reg_note.
6145
6146 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6147
6148         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6149         (ix86_builtin_conversion): New function.
6150
6151 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6152
6153         PR target/29487
6154         * tree.h (DECL_REPLACEABLE_P): New macro.
6155         * except.c (set_nothrow_function_flags): Likewise.
6156
6157 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6158             Ira Rosen  <irar@il.ibm.com>
6159             Dorit Nuzman  <dorit@il.ibm.com>
6160
6161         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6162         * targhooks.c (default_builtin_vectorized_conversion): New.
6163         * targhooks.h (default_builtin_vectorized_function): New declaration.
6164         * target.h (struct vectorize): Add builtin_conversion field.
6165         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6166         stmt_vec_info_type value.
6167         (vectorizable_conversion): New declaration.
6168         * tree-vect-analyze.c (vect_analyze_operations): Add
6169         vectorizable_conversion call.
6170         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6171         * tree-vect-transform.c (vectorizable_conversion): New function.
6172         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6173         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6174         mode.
6175         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6176         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6177         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6178         or ALTIVEC_BUILTIN_VCFSX.
6179
6180 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6181
6182         PR target/30634
6183         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6184         CONST_DOUBLE and operand 0 is a hard register.
6185         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6186         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6187         is a hard floating-point register.
6188
6189 2007-02-10  Richard Henderson  <rth@redhat.com>
6190             Jakub Jelinek  <jakub@redhat.com>
6191             Alexandre Oliva  <aoliva@redhat.com>
6192
6193         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6194         * builtin-types.def (BT_WORD): Make unsigned.
6195         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6196         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6197         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6198         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6199         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6200         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6201         emulated tls.
6202         * expr.c (emutls_var_address): New.
6203         (expand_expr_real_1): Expand emulated tls.
6204         (expand_expr_addr_expr_1): Likewise.
6205         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6206         * output.h (emutls_finish): Declare.
6207         * toplev.c (compile_file): Call it.
6208         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6209         address before wrapping in CONST.
6210         * varasm.c (emutls_htab, emutls_object_type): New.
6211         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6212         (get_emutls_object_name, get_emutls_object_type): New.
6213         (get_emutls_init_templ_addr, emutls_decl): New.
6214         (emutls_common_1, emutls_finish): New.
6215         (assemble_variable): When emulating tls, swap decls; generate
6216         constructor for the emutls objects.
6217         (do_assemble_alias): When emulating tls, swap decl and target name.
6218         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6219         for emulated tls.
6220         * varpool.c (decide_is_variable_needed): Look at force_output.
6221         Recurse for emulated tls.
6222         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6223         with decide_is_variable_needed.
6224         * emutls.c: New file.
6225         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6226         tls_object for real tls.
6227
6228 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6229
6230         PR rtl-optimization/29599
6231         * reload1.c (eliminate_regs_in_insn): Take the destination
6232         mode into account when computing the offset.
6233
6234 2007-02-09  Stuart Hastings  <stuart@apple.com>
6235             Richard Henderson  <rth@redhat.com>
6236
6237         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6238         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6239         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6240         fixuns_truncdfhi2): New.
6241         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6242         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6243         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6244         (floatunssidf2): Allow nonimmediate source.
6245         * gcc/config/i386/sse.md (movdi_to_sse): New.
6246         (vec_concatv2di): Drop '*'.
6247         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6248         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6249         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6250         New.
6251         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6252         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6253         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6254         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6255         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6256         ix86_build_const_vector.
6257         (x86_emit_floatuns): Rewrite.
6258
6259 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6260
6261         * genautomata.c (longest_path_length): Delete unused function.
6262         (struct state): Delete unused longest_path_length.
6263         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6264         (get_free_state): Delete unused.
6265
6266 2007-02-09  Jan Hubicka  <jh@suse.cz>
6267
6268         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6269         * doc/invoke.texi (inline-unit-growth): Update default value.
6270
6271         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6272         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6273         (rebuild_cgraph_edges): Likewise.
6274         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6275         (dump_cgraph_node): Dump frequencies.
6276         (cgraph_clone_edge): Add frequency scales.
6277         (cgraph_clone_node): Add freuqnecy.
6278         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6279         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6280         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6281         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6282         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6283         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6284         (save_inline_function_body): Likewise.
6285         * ipa-inline.c: inluce rtl.h
6286         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6287         (cgraph_edge_badness): Use frequencies.
6288         (cgraph_decide_recursive_inlining): Update clonning.
6289         (cgraph_decide_inlining_of_small_function): Dump frequency.
6290         * predict.c (estimate_bb_frequencies): Export.
6291         * predict.h (estimate_bb_frequencies): Declare.
6292         * tree-inline.c (copy_bb): Watch overflows.
6293         (expand_call_inline): Update call of cgraph_create_edge.
6294         (optimize_inline_calls): Use TODO flags to update frequnecies.
6295         * passes.h: Include predict.h
6296         (init_optimization_passes): Move profile ahead.
6297         (execute_function_todo): Handle TODO_rebuild_frequencies.
6298
6299 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6300
6301         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6302         the insbl or inswl pattern into a register.
6303
6304 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6305
6306         * config/ia64/ia64.md (bswapdi2): New define_insn.
6307
6308 2007-02-09  Richard Henderson  <rth@redhat.com>
6309
6310         * config/i386/constraints.md (Ym): New constraint.
6311         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6312         (movdi_1_rex64): Split sse and xmm general register moves from
6313         memory move alternatives.  Use conditional register constraints.
6314         (movsf_1, movdf_integer): Likewise.
6315         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6316         (movdf_integer_rex64): New.
6317         (pushsf_rex64): Fix output constraints.
6318         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6319         (sse2_stored): Likewise.
6320         (sse2_storeq_rex64): New.
6321         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6322         amd and not generic.
6323         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6324         for optimize_size.  Remove SF/DFmode hack.
6325
6326 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6327
6328         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6329         (bit_SSE4a): New.
6330
6331 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6332             Richard Sandiford  <richard@codesourcery.com>
6333
6334         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6335         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6336         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6337         m68k/t-mlib to tmake_file.
6338         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6339         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6340         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6341         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6342         variable is not empty, add t-$m68k_arch_family to tmake_file.
6343         Add t-mlibs to tmake_file.
6344         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6345         * config/m68k/t-cf: New file.
6346         * config/m68k/t-m68k: Likewise.
6347         * config/m68k/t-mlibs: Likewise.
6348         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6349         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6350         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6351         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6352         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6353         Delete.
6354         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6355         (INSTALL_LIBGCC): Delete.
6356         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6357         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6358         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6359         (M68K_MLIB_CPU): Define.
6360         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6361         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6362         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6363
6364 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6365             Richard Guenther  <rguenther@suse.de>
6366
6367         PR middle-end/23361
6368         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6369         against INT_MIN/INT_MAX.
6370         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6371         file if a loop is removed.
6372
6373 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6374
6375         * calls.c (store_one_arg): Pass correct alignment to
6376         emit_push_insn for non-BLKmode values.
6377         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6378         unaligned stack slot via a suitably aligned slot.
6379
6380 2007-02-08  DJ Delorie  <dj@redhat.com>
6381
6382         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6383         warnings.
6384         (legal_subregs): Use unsigned char, make const.
6385         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6386
6387 2007-02-08  Paul Brook  <paul@codesourcery.com>
6388
6389         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6390         special interworking needed.
6391
6392 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6393
6394         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6395         conditional to __SSE2__.
6396         (Entries below should have been added to first ChangeLog
6397         entry for amdfam10 dated 2007-02-05)
6398         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6399         defined.
6400         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6401         defined.
6402         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6403         defined.
6404
6405 2007-02-08  DJ Delorie  <dj@redhat.com>
6406
6407         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6408         * config/m32c/m32c.c (legal_subregs): New.
6409         (m32c_illegal_subreg_p): New.
6410         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6411         unsupported subregs of hard regs.
6412
6413 2007-02-08  Jan Hubicka  <jh@suse.cz>
6414
6415         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6416         the same one; always update histograms.
6417
6418 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6419
6420         * passes.c (init_optimization_passes): Tidy comment.
6421
6422 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6423
6424         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6425         strip zero_extend, bswap and rotates from POCOUNT's argument.
6426         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6427         zero_extend and rotates from PARITY's argument.
6428         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6429         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6430         of an integer constant at compile-time.
6431
6432 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6433
6434         PR 30562
6435         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6436         Update all users.
6437         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6438         users.
6439         (init_alias_info):
6440         * tree-ssa-live.c (remove_unused_locals): Do not remove
6441         TREE_ADDRESSABLE variables.
6442         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6443         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6444         FOR_CLOBBER.  Update all users.
6445         If VAR has an associated alias set, add a virtual operand for
6446         it if no alias is found to conflict with the memory reference.
6447
6448 2007-02-07  Jan Hubicka  <jh@suse.cz>
6449             Robert Kidd <rkidd@crhc.uiuc.edu>
6450
6451         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6452
6453 2007-02-07  Ian Lance Taylor  <iant@google.com>
6454
6455         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6456
6457 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6458
6459         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6460         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6461         tablejumpdi, movsi_to_cr_one): Remove constraints from
6462         define_expand's match_operands.
6463
6464 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6465
6466         * global.c (compute_regsets): Move declatation of "i" inside of
6467         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6468
6469 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6470
6471         PR c++/30703
6472         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6473         of INDIRECT_REF <RESULT_DECL>.
6474
6475         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6476
6477 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6478             Kaz Kojima  <kkojima@gcc.gnu.org>
6479
6480         PR target/29746
6481         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6482         properly.
6483         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6484
6485 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6486
6487         * doc/loop.texi: Document possibility not to perform disambiguation
6488         of loops with multiple latches.
6489         * cfgloopmanip.c (alp_enum_p): Removed.
6490         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6491         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6492         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6493         the new forwarder block.
6494         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6495         Handle the case latch is NULL.
6496         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6497         when marking loop exits.
6498         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6499         be modified.
6500         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6501         disambiguate_loops_with_multiple_latches.
6502         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6503         before fix_loop_structure.
6504         * cfgloop.c: Include pointer-set.h and output.h.
6505         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6506         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6507         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6508         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6509         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6510         disambiguate_multiple_latches, get_loop_body_with_size,
6511         disambiguate_loops_with_multiple_latches): New functions.
6512         (flow_loop_dump): Dump multiple latch edges.
6513         (flow_loop_nodes_find): Handle loops with multiple latches.
6514         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6515         (glb_enum_p): Modified.
6516         (get_loop_body): Use get_loop_body_with_size.
6517         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6518         (AVOID_CFG_MODIFICATIONS): New constant.
6519         (disambiguate_loops_with_multiple_latches, add_loop,
6520         get_loop_body_with_size): Declare.
6521         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6522
6523 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6524
6525         PR inline-asm/28686
6526         * global.c (compute_regsets): New function.
6527         (global_alloc): Refactored ELIMINABLE_REGSET
6528         and NO_GLOBAL_ALLOC_REGS computation out.
6529         (rest_of_handle_global_alloc): Call compute_regsets()
6530         for non-optimizing case.
6531
6532 2007-02-06  Richard Henderson  <rth@redhat.com>
6533
6534         * config/i386/constraints.md (Y2): Rename from Y.
6535         (Yi): New constraint.
6536         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6537         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6538         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6539         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6540         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6541         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6542         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6543         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6544         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6545         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6546         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6547         vec_extractv2si_1): Change Y constraints to Y2.
6548         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6549         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6550         Change Y constraints to Y2.
6551         (sse2_loadld): Change Y constraints to x.
6552
6553 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6554
6555         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6556         (parity<mode>2): New define_expand using rs6000_emit_parity.
6557         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6558         rs6000_emit_parity): New functions.
6559         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6560         rs6000_emit_parity): Prototype here.
6561
6562 2007-02-06  Ian Lance Taylor  <iant@google.com>
6563
6564         * lower-subreg.c (simple_move_operand): Reject CONST.
6565         (resolve_clobber): Call validate_change rather than directly
6566         assigning to XEXP (pat, 0).
6567
6568 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6569
6570         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6571         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6572         (tree-cfg.o): Remove hashtab.h dependency.
6573
6574         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6575         (struct ivopts_data): Change niters to pointer_map_t.
6576         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6577         (niter_for_exit): Create pointer_map on demand.  Change for
6578         pointer_map API.
6579         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6580         (free_loop_data): Destroy data->niters if created and reset field.
6581         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6582         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6583
6584         * tree-ssa-reassoc.c: Include pointer-set.h.
6585         (bb_rank): Change to long *.
6586         (operand_rank): Change to pointer_map_t.
6587         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6588         (insert_operand_rank): Accept long.
6589         (operand_entry_hash, operand_entry_eq): Remove.
6590         (get_rank): Return long.  Adjust for changes above.
6591         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6592         and operand_rank.
6593         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6594
6595         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6596         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6597         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6598         is not NULL.
6599         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6600         directly since it cannot be NULL.
6601         (get_vi_for_tree): Rewrite for pointer_map API.
6602         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6603         (init_alias_vars): Create vi_for_tree as pointer_map.
6604         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6605
6606         * tree-cfg.c: Don't include hashtab.h.
6607         (edge_to_cases): Declare as pointer_map.
6608         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6609         Delete.
6610         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6611         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6612         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6613         destroying it.
6614         (record_switch_edge): Delete.
6615         (get_cases_for_edge): Adjust for pointer_map API, inline
6616         record_switch_edge (rewritten for new API), remove goto.
6617
6618 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6619
6620         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6621         * tree-nested.c: Include pointer-set.h.
6622         (var_map_elt, var_map_eq, var_map_hash): Delete.
6623         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6624         to pointer_map_t's.
6625         (nesting_info_bitmap_obstack): New.
6626         (lookup_field_for_decl): Adjust for pointer_map API.
6627         (lookup_tramp_for_decl): Adjust for pointer_map API.
6628         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6629         (get_local_debug_decl): Adjust for pointer_map API.
6630         (convert_nl_goto_reference): Adjust for pointer_map API.
6631         (convert_nl_goto_receiver): Adjust for pointer_map API.
6632         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6633         the new obstack.  Create field_map and var_map as pointer_maps.
6634         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6635         (root): Delete.
6636         (lower_nested_functions): Move root here, no need to NULL it.
6637         Initialize and release the obstack.
6638
6639 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6640
6641         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6642         Remove prototypes and make them non-static.
6643         (struct tree_int_map): Remove.
6644         * tree.h (struct tree_int_map): Move here, turning TO into an
6645         unsigned int.
6646         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6647
6648         * tree.h (TREE_COMPLEXITY): Remove.
6649         (struct tree_exp): Remove complexity field.
6650         * tree.c (build1_stat): Don't set it.
6651
6652 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6653             Victor Kaplansky  <victork@il.ibm.com>
6654
6655         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6656         (vect_is_simple_reduction): Support reduction with induction as
6657         one of the operands.
6658         (vect_is_simple_iv_evolution): Fix formatting.
6659         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6660         formatting.  Don't mark induction phis for vectorization.
6661         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6662         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6663         (vect_get_vec_def_for_operand): Support induction.
6664         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6665         induction case.
6666         (vectorizable_reduction): Support reduction with induction as one of
6667         the operands.
6668         (vectorizable_type_demotion): Use def-type of stmt argument rather
6669         than dummy def-type.
6670
6671         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6672         flag_tree_scev_cprop.
6673         * common.opt (tree-scev-cprop): New flag.
6674
6675         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6676         call to vect_get_new_vect_var.
6677
6678 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6679
6680         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6681         vectype is not NULL.
6682         (vect_pattern_recog_1): Likewise.
6683
6684 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6685
6686         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6687         (fold_negate_expr): Likewise.
6688
6689 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6690
6691         PR debug/30189
6692         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6693         even if cv-qualification is the same.
6694
6695 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6696
6697         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6698         __enable_execute_stack on completion.
6699
6700 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6701
6702         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6703         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6704         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6705         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6706         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6707         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6708         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6709         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6710
6711 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6712
6713         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6714         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6715         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6716         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6717         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6718         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6719         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6720         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6721         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6722         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6723         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6724         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6725         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6726         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6727         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6728         sqrtextenddfxf2_i387): Added amdfam10_decode.
6729
6730         * config/i386/athlon.md (athlon_idirect_amdfam10,
6731         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6732         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6733         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6734         athlon_ivector_store_amdfam10): New define_insn_reservation.
6735         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6736         amdfam10.
6737
6738 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6739
6740         * config/i386/athlon.md (athlon_call_amdfam10,
6741         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6742         define_insn_reservation.
6743         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6744         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6745         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6746
6747 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6748
6749         * config/i386/athlon.md (athlon_sseld_amdfam10,
6750         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6751         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6752
6753 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6754
6755         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6756         define_insn_reservation.
6757         * config/i386/i386.md (sseins): Added sseins to define_attr type
6758         and define_attr unit.
6759         * config/i386/sse.md: Set type attribute to sseins for insertq
6760         and insertqi.
6761
6762 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6763
6764         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6765         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6766         ssecomi_load_amdfam10, ssecomi_amdfam10,
6767         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6768         define_insn_reservation.
6769         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6770
6771 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6772
6773         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6774         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6775         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6776         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6777         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6778         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6779         define_insn_reservation.
6780
6781         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6782         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6783         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6784         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6785         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6786
6787 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6788
6789         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6790         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6791         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6792         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6793         athlon_ssemul_load_k8): Added amdfam10.
6794
6795 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6796
6797         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6798         (x86_sse_unaligned_move_optimal): New variable.
6799
6800         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6801         m_AMDFAM10.
6802         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6803         for unaligned vector SSE double/single precision loads for AMDFAM10.
6804
6805 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6806
6807         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6808         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6809         Define TARGET_CPU_DEFAULT_amdfam10.
6810         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6811         (processor_type): Add PROCESSOR_AMDFAM10.
6812
6813         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6814         processor_type in config/i386/i386.h.
6815         Enable imul peepholes for TARGET_AMDFAM10.
6816
6817         * config.gcc: Add support for --with-cpu option for amdfam10.
6818
6819         * config/i386/i386.c (amdfam10_cost): New variable.
6820         (m_AMDFAM10): New macro.
6821         (m_ATHLON_K8_AMDFAM10): New macro.
6822         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6823         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6824         x86_promote_QImode, x86_integer_DFmode_moves,
6825         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6826         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6827         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6828         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6829         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6830         Enable/disable for amdfam10.
6831         (override_options): Add amdfam10_cost to processor_target_table.
6832         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6833         processor_alias_table.
6834         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6835         (ix86_adjust_cost): Add code for amdfam10.
6836
6837 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6838
6839         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6840         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6841         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6842         * config/i386/i386.h: Add builtin definition for SSE4A.
6843         * config/i386/i386.md: Add support for ABM instructions
6844         (popcnt and lzcnt).
6845         * config/i386/sse.md: Add support for SSE4A instructions
6846         (movntss, movntsd, extrq, insertq).
6847         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6848         Add -march=amdfam10 flag.
6849         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6850         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6851         and amdfam10.
6852         * doc/extend.texi: Add documentation for SSE4A builtins.
6853
6854 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6855
6856         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6857
6858 2007-02-05  Richard Guenther  <rguenther@suse.de>
6859
6860         * tree-vectorizer.h (vectorizable_function): Add argument type
6861         argument, change return type.
6862         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6863         * tree-vect-transform.c (vectorizable_function): Handle extra
6864         argument, return vectorized function decl.
6865         (build_vectorized_function_call): Remove.
6866         (vectorizable_call): Handle calls with result and argument types
6867         differing.  Handle loop vectorization factor correctly.
6868         * targhooks.c (default_builtin_vectorized_function): Adjust for
6869         extra argument.
6870         * targhooks.h (default_builtin_vectorized_function): Likewise.
6871         * target.h (builtin_vectorized_function): Add argument type
6872         argument.
6873         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6874         extra argument, allow vectorizing of lrintf.
6875         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6876         documentation of target hook.
6877
6878 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6879
6880         PR target/30665
6881         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6882         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6883         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6884
6885 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6886
6887         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6888         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6889         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6890         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6891         before canonicalizing sincos to cexpi.
6892         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6893
6894 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6895
6896         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6897         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6898         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6899
6900 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6901
6902         * mips-tfile.c (initialize_init_file): Correct endianness test.
6903
6904 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6905
6906         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6907         the 'y' constraint.
6908
6909 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6910
6911         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6912         saves in a PARALLEL before the register assignments.
6913
6914 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6915
6916         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6917         DWARF_FRAME_RETURN_COLUMN to be a general register.
6918         * dwarf2out.c (init_return_column_size): New function, split from...
6919         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6920         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6921         to be nongeneral registers.
6922         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6923         integer registers.
6924         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6925         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6926
6927 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6928
6929         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6930
6931 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6932
6933         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6934         (remove_path): Use can_remove_branch_p and remove_branch instead
6935         of loop_delete_branch_edge.
6936         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6937         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6938         Update profile using scale_dominated_blocks_in_loop.
6939         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6940         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6941         (can_remove_branch_p, remove_branch): Declare.
6942         * tree-cfg.c (tree_can_remove_branch_p): New function.
6943         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6944         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6945         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6946
6947 2007-02-05  Jan Hubicka  <jh@suse.cz>
6948
6949         PR middle-end/30696
6950         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6951         nodes in cgraph, don't remove offline copy of the function.
6952
6953 2007-02-04  Jan Hubicka  <jh@suse.cz>
6954
6955         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6956         vectors might cause maybe_lookup_element_for_expr to be called
6957         on non-sra-candidate.
6958
6959 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6960
6961         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6962         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6963         spelling conventions.
6964
6965 2007-02-04  Richard Guenther  <rguenther@suse.de>
6966
6967         PR middle-end/30636
6968         * fold-const.c (try_move_mult_to_index): Make sure to not
6969         overflow one dimension of a multi-dimensional array access.
6970
6971 2007-02-04  Jan Hubicka  <jh@suse.cz>
6972
6973         * passes.c (init_optimization_passes): Reindent.
6974
6975 2007-02-04  Jan Hubicka  <jh@suse.cz>
6976             Eric Botcazou  <ebotcazou@adacore.com>
6977
6978         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6979         (execute_fixup_cfg): Break out the abnormal goto code.
6980         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6981         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6982         (optimize_inline_calls): Call make_nonlocal_label_edges.
6983
6984 2007-02-04  Jan Hubicka  <jh@suse.cz>
6985
6986         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6987         true when something was changed.
6988         (rename_ssa_copies): When something was changed, do
6989         TODO_remove_unused_locals.
6990         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6991         add TODO_remove_unused_locals when instruction was removed.
6992
6993 2007-02-04  Jan Hubicka  <jh@suse.cz>
6994
6995         * ipa-inline.c (try_inline): Improve debug output; work on already
6996         inline edges too.
6997         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6998         call try_inline for already inlined edges too when flattening;
6999         inline also functions that make callee growth but overall unit size
7000         reduce.
7001
7002 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7003
7004         * config/m32c/bitops.md, config/m32c/jump.md,
7005         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7006         config/m32r/m32r.h, config/m32r/m32r.md,
7007         config/m32r/predicates.md, config/m68hc11/larith.asm,
7008         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7009         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7010         config/mips/mips-protos.h, config/mips/mips.c,
7011         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7012         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7013         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7014         spelling conventions.
7015
7016         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7017         Follow spelling conventions.
7018
7019 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7020
7021         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7022         warn about C++0x compatibility.
7023
7024 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7025
7026         * config/h8300/h8300.c, config/h8300/h8300.h,
7027         config/h8300/h8300.md: Follow spelling conventions.
7028
7029 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7030
7031         PR middle-end/30667
7032         * combine.c (try_combine): Do not substitute source operand
7033         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7034
7035 2007-02-03  Jan Hubicka  <jh@suse.cz>
7036
7037         PR gcov-profile/30650
7038         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7039         do not divide by zero for never executed counters.
7040         (tree_find_values_to_profile): Fix counters.
7041         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7042
7043 2007-02-03  Ian Lance Taylor  <iant@google.com>
7044
7045         * lower-subreg.c (simple_move_operand): New static function,
7046         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7047         operands.
7048         (simple_move): Call simple_move_operand.
7049         (find_decomposable_subregs): Add special handling of MEMs.
7050         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7051         meaning of return value.  If we see a hard register, test whether
7052         it can store a word_mode value.  Change all callers.
7053
7054 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7055
7056         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7057         ftrapv insns and expanders.
7058         (subdi3): Change define_expand operand 1 to arith11_operand, and
7059         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7060         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7061         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7062         respectively.
7063
7064         PR middle-end/30174
7065         * varasm.c (notice_global_symbol): Treat global objects as weak when
7066         flag_shlib is true.
7067
7068 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7069
7070         * emit-rtl.c (dconstpi): Delete.
7071         (dconstsqrt2): New.
7072         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7073         * real.h (dconstpi): Delete.
7074         (dconstsqrt2): New.
7075         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7076         (fold_builtin_hypot): Likewise.
7077
7078 2007-02-03  Tom Tromey  <tromey@redhat.com>
7079
7080         PR driver/30246
7081         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7082         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7083
7084 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7085
7086         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7087         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7088         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7089         config/rs6000/cell.md, config/rs6000/darwin.h,
7090         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7091         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7092         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7093         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7094         typos.  Follow spelling conventions.
7095         * doc/invoke.texi: Follow spelling conventions.
7096
7097 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7098
7099         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7100         canonicalization transformations that attempt to simplify integer
7101         constant comparisons to become comparisons against zero.
7102
7103 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7104
7105         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7106         fabs(x)*sqrt(2).
7107         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7108         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7109
7110 2007-02-02  Mike Stump  <mrs@apple.com>
7111
7112         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7113         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7114         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7115         generate a branch island.
7116
7117 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7118
7119         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7120         (xtensa_legitimate_address_p): New.
7121         (xtensa_legitimize_address): New.
7122         (xtensa_output_addr_const_extra): New.
7123         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7124         (BASE_REG_P): New.
7125         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7126         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7127         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7128         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7129         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7130         (xtensa_legitimize_address): New.
7131         (xtensa_output_addr_const_extra): New.
7132
7133 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7134
7135         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7136
7137 2007-02-02  Ian Lance Taylor  <iant@google.com>
7138
7139         * expmed.c (expand_divmod): Add comment.
7140
7141 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7142
7143         * emit-rtl.c (renumber_insns): Remove.
7144         * flags.h: Remove the extern for flag_renumber_insns.
7145         * rtl.h: Remove the prototype for renumber_insns.
7146         * toplev.c (flag_renumber_insns): Remove.
7147
7148 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7149
7150         Revert for x86 darwin:
7151         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7152
7153         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7154         code before the following patch under TARGET_MACHO.
7155         (ix86_function_value_regno_p): Likewise.
7156
7157 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7158
7159         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7160         COMPLEX_EXPR.
7161
7162 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7163
7164         PR target/29682
7165         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7166         general or fp registers.  Add comments.
7167         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7168
7169 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7170
7171         * pointer-set.c (insert_aux): Only return insertion slot.
7172         (pointer_set_insert): Adjust.
7173         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7174         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7175         pointer_map_traverse): New.
7176         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7177         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7178         pointer_map_contains, pointer_map_traverse): Declare.
7179
7180 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7181
7182         PR middle-end/30473
7183         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7184         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7185
7186 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7187
7188         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7189
7190         (struct _dep): New type.
7191         (dep_t): New typedef.
7192         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7193         (DEP_STATUS): New access macro.  The macro with the same name was
7194         renamed to DEP_LINK_STATUS.
7195         (dep_init): Declare function
7196
7197         (struct _dep_link): New type.
7198         (dep_link_t): New typedef.
7199         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7200         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7201         (DEP_LINK_STATUS): New macro.
7202         (debug_dep_links): New debug function.
7203
7204         (struct _deps_list): New type.
7205         (deps_list_t): New typedef.
7206         (DEPS_LIST_FIRST): New access macro.
7207         (FOR_EACH_DEP_LINK): New cycle macro.
7208         (create_deps_list, free_deps_list, delete_deps_list): Declare
7209         functions.
7210         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7211         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7212         (copy_deps_list_change_con): Ditto.
7213
7214         (move_dep_link): Declare function.
7215
7216         (struct _dep_node): New type.
7217         (dep_node_t): New typedef.
7218         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7219
7220         (struct haifa_insn_data.back_deps): New field to hold backward
7221         dependencies of the insn.
7222         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7223         to deps_list_t.
7224         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7225         Change its type to deps_list_t.
7226         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7227         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7228         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7229
7230         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7231
7232         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7233
7234         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7235         all callers.
7236         (dep_cost): Declare.
7237
7238         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7239         (ds_to_dk, dk_to_ds): New functions.
7240
7241         (init_dep_1): New static function.
7242         (init_dep): New function.
7243         (copy_dep): New static function.
7244
7245         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7246         functions.
7247         (detach_dep_link): New static function.
7248         (move_dep_link): New function.
7249
7250         (dep_links_consistent_p, dump_dep_links): New static functions.
7251         (debug_dep_links): New debugging function.
7252
7253         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7254
7255         (alloc_deps_list, init_deps_list): New static functions.
7256         (create_deps_list): New function.
7257         (clear_deps_list): New static function.
7258         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7259         (deps_list_consistent_p, dump_deps_list): New static functions.
7260         (debug_deps_list): New function.
7261         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7262         functions.
7263         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7264
7265         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7266         use new scheduler dependencies lists.
7267         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7268         (sched_analyze): Ditto.  Initialize dependencies lists.
7269         (add_forw_dep, compute_forward_dependences): Update to use new
7270         scheduler dependencies lists.
7271
7272         (init_dependency_caches): Init deps_obstack.
7273         (free_dependency_caches): Free deps_obstack.
7274
7275         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7276         new scheduler dependencies lists.
7277         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7278         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7279
7280         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7281         Update to use new scheduler dependencies lists.
7282         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7283         (debug_dependencies): Ditto.
7284         (schedule_region): Update comments.
7285
7286         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7287         scheduler dependencies lists.
7288         (schedule_ebb): Update comments.
7289
7290         * rtl.def (DEPS_LIST): Remove.
7291
7292         * lists.c (unused_deps_list): Remove.
7293         (free_list): Update assertions.
7294
7295         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7296         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7297
7298         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7299         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7300
7301         * haifa-sched.c (comments): Update.
7302         (insn_cost1): Remove.  Inline the code into insn_cost ().
7303         (insn_cost): Update to use new scheduler dependencies lists.  Move
7304         processing of the dependency cost to dep_cost ().
7305         (dep_cost): New function.  Use it instead of insn_cost () when
7306         evaluating cost of the dependency.  Use compatible interface to
7307         interact with the target.
7308         (priority): Update to use new scheduler dependencies lists.
7309         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7310         with greater number of insns that depend on the insn.
7311         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7312         code to free backward dependencies lists.  Inline and optimize code
7313         from resolve_dep () - see PR28071.
7314         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7315         lists.  Update call to targetm.sched.is_costly_dependence hook.
7316
7317         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7318         scheduler dependencies lists.
7319
7320         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7321         (init_h_i_d): Initialize dependencies lists.
7322
7323         (process_insn_depend_be_in_spec): Rename to
7324         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7325         dependencies lists.
7326         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7327         Update to use new scheduler dependencies lists.
7328         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7329
7330         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7331         new scheduler dependencies lists.
7332         (build_intra_loop_deps): Ditto.
7333
7334         * target.h (struct _dep): Declare to use in
7335         gcc_target.sched.is_costly_dependence.
7336         (struct gcc_target.sched.adjust_cost): Fix typo.
7337         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7338         single dep_t parameter instead of an equivalent triad.
7339         (struct gcc_target.sched.adjust_cost_2): Remove.
7340
7341         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7342
7343         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7344
7345         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7346         documentation.
7347         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7348
7349         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7350         (REG_DEP_TRUE): Document.
7351
7352         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7353         Change signature to correspond to the targetm.sched.adjust_cost hook.
7354         Update use in TARGET_SCHED_ADJUST_COST_2.
7355         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7356         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7357         new scheduler dependencies lists.
7358         (ia64_gen_check): Ditto.
7359
7360         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7361         dependencies lists.
7362
7363         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7364         signature to correspond to the targetm.sched.is_costly_dependence hook.
7365         (is_costly_group): Update to use new scheduler dependencies lists.
7366
7367         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7368         instead of INSN_COST () macro.
7369
7370 2007-02-01  Ian Lance Taylor  <iant@google.com>
7371
7372         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7373
7374 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7375
7376         * pa.md (tp_load): Correct mfctl instruction syntax.
7377
7378 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7379
7380         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7381         altivec_padding_size calculation on AIX.  Improve comment, add
7382         assert to verify that it's right.
7383
7384         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7385         64-bit.
7386
7387 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7388
7389         PR inline-asm/28686
7390         * global.c (global_alloc): Add mising initialization of
7391         ELIMINABLE_REGSET.
7392
7393 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7394
7395         * alias.c (init_alias_analysis): Correct whitespace.
7396         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7397         partition_hot_cold_basic_blocks): Likewise.
7398         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7399         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7400         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7401         fold_builtin_snprintf_chk, fold_builtin_printf,
7402         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7403         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7404         * cfgcleanup.c (cleanup_cfg): Likewise.
7405         * cfgexpand.c (tree_expand_cfg): Likewise.
7406         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7407         * function.c (get_next_funcdef_no): Likewise.
7408         * gengtype.c (main): Likewise.
7409         * genmodes.c (main): Likewise.
7410         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7411         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7412         * ifcvt.c (noce_emit_move_insn): Likewise.
7413         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7414         Likewise.
7415         * stor-layout.c (get_best_mode): Likewise.
7416         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7417         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7418         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7419         perform_var_substitution, solve_graph): Likewise.
7420         * tree-vrp.c (vrp_finalize): Likewise.
7421
7422 2007-02-01  Ian Lance Taylor  <iant@google.com>
7423
7424         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7425         high part of a paradoxical subreg, return a constant zero.
7426
7427 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7428
7429         * toplev.c (lang_dependent_init): Call init_set_costs.
7430         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7431
7432 2007-02-01  Richard Guenther  <rguenther@suse.de>
7433
7434         PR middle-end/30656
7435         * fold-const.c (fold_negate_expr): Allow negating a
7436         constant if overflow does not change.
7437
7438 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7439
7440         * doc/c-tree.texi (Expression trees): Improve markup.
7441         * doc/tm.texi (Register Classes, Addressing Modes)
7442         (Floating Point): Fix spacing after abbreviations.  Fix some
7443         typos.
7444
7445 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7446
7447         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7448         * doc/contrib.texi: Likewise.
7449         * doc/install.texi: Likewise.
7450
7451 2007-01-31  Richard Henderson  <rth@redhat.com>
7452             Ian Lance Taylor  <iant@google.com>
7453
7454         * lower-subreg.c: New file.
7455         * rtl.def (CONCATN): Define.
7456         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7457         pass_lower_subreg2.
7458         * emit-rtl.c (update_reg_offset): New static function, broken out
7459         of gen_rtx_REG_offset.
7460         (gen_rtx_REG_offset): Call update_reg_offset.
7461         (gen_reg_rtx_offset): New function.
7462         * regclass.c: Revert patch of 2006-03-05, restoring
7463         reg_scan_update.
7464         (clear_reg_info_regno): New function.
7465         * dwarf2out.c (concatn_loc_descriptor): New static function.
7466         (loc_descriptor): Handle CONCATN.
7467         * common.opt (fsplit_wide_types): New option.
7468         * opts.c (decode_options): Set flag_split_wide_types when
7469         optimizing.
7470         * timevar.def (TV_LOWER_SUBREG): Define.
7471         * rtl.h (gen_reg_rtx_offset): Declare.
7472         (reg_scan_update): Declare.
7473         * regs.h (clear_reg_info_regno): Declare.
7474         * tree-pass.h (pass_lower_subreg): Declare.
7475         (pass_lower_subreg2): Declare.
7476         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7477         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7478         -fsplit-wide-types.
7479         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7480         * Makefile.in (OBJS-common): Add lower-subreg.o.
7481         (lower-subreg.o): New target.
7482
7483 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7484
7485         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7486
7487 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7488
7489         PR target/19087
7490         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7491
7492 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7493
7494         PR middle-end/29335
7495         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7496
7497 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7498
7499         * cfgloop.h: Include vec-prim.h.
7500         (enum li_flags): Remove LI_ONLY_OLD.
7501         (loop_iterator): Changed.
7502         (fel_next, fel_init): Iterate over loop tree.
7503         (FOR_EACH_LOOP_BREAK): New macro.
7504         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7505         FOR_EACH_LOOP.
7506         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7507         * modulo-sched.c (sms_schedule): Ditto.
7508         * tree-vectorizer.c (vectorize_loops): Ditto.
7509         * doc/loop.texi: Update information on loop numbering and behavior of
7510         FOR_EACH_LOOP wrto new loops.
7511         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7512         add_to_evolution_1): Test nestedness of loops instead of comparing
7513         their numbers.
7514         * tree-chrec.c (chrec_fold_plus_poly_poly,
7515         chrec_fold_multiply_poly_poly, chrec_evaluate,
7516         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7517         reset_evolution_in_loop): Ditto.
7518         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7519
7520 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7521
7522         * c-common.c (warn_about_parentheses): Separate warning about
7523         un-parenthized sequence of comparison operators from the one
7524         which is supposed to warn about x <= y <= z.
7525
7526 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7527
7528         * optabs.h (enum optab_index): Add new OTI_isinf.
7529         (isinf_optab): Define corresponding macro.
7530         * optabs.c (init_optabs): Initialize isinf_optab.
7531         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7532         patterns.
7533         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7534         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7535         using isinf_optab.
7536         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7537         expand_builtin_interclass_mathfn.
7538         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7539         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7540         (fxam<mode>2_i387): New insn pattern.
7541         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7542         built-in functions as x87 inline asm.
7543
7544 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7545
7546         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7547
7548 2007-01-30  Eric Christopher  <echristo@apple.com>
7549
7550         * config.gcc: Add geode.
7551
7552 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7553
7554         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7555         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7556         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7557         value-prof.c: Fix comment typos.
7558
7559 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7560
7561         PR c++/24745
7562         * doc/invoke.texi (Wpointer-arith): Document warning.
7563
7564 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7565
7566         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7567         the list of discrepancies from the draft TR.
7568
7569 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7570
7571         PR c++/30601
7572         * doc/invoke.texi (-Wreturn-type): Update description to
7573         match new behavior.
7574
7575 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7576
7577         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7578
7579 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7580
7581         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7582         to handle optabs that operate on floating point input argument and
7583         output to integer output.
7584         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7585         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7586         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7587         expand_builtin_interclass_mathfn ().
7588         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7589         (ilogbsi2): Remove.
7590         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7591         ilogbl built-in functions as x87 intrinsics.
7592
7593 2007-01-30  Richard Guenther  <rguenther@suse.de>
7594
7595         PR middle-end/27657
7596         * dwarf2out.c (reference_to_unused): Query varpool if the
7597         variable was output.
7598
7599 2007-01-30  Richard Guenther  <rguenther@suse.de>
7600
7601         PR middle-end/30313
7602         * passes.c (execute_one_pass): Reset in_gimple_form to not
7603         confuse non-unit-at-a-time mode.
7604
7605 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7606             Richard Guenther  <rguenther@suse.de>
7607
7608         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7609         avoid undefined behaviour on overflow.  Use force_fit_type_double
7610         to construct the constant with the specified TREE_OVERFLOW.
7611
7612 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7613
7614         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7615         * config/dfp-bit.h: Ditto.
7616
7617 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7618
7619         * c-decl.c (pop_scope): Replace warnings with call to
7620         warn_for_unused_label.
7621         * c-common.h (warn_for_unused_label): Declare.
7622         * c-common.c (warn_for_unused_label): Define.
7623
7624 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7625
7626         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7627         function.
7628
7629 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7630
7631         * Makefile.in (USER_H): Remove decfloat.h.
7632         * ginclude/decfloat.h: Delete, moving contents to ...
7633         * ginclude/float.h: Add support for decimal floating point,
7634         guarded by __STDC_WANT_DEC_FP__.
7635
7636 2007-01-29  Mike Stump  <mrs@apple.com>
7637
7638         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7639         Analysis and Representation to resolve case insensitive conflict.
7640         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7641
7642 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7643
7644         * tree.h (struct tree_memory_tag): Add aliases member.
7645         (MTAG_ALIASES): New macro.
7646         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7647         (add_may_alias): Remove pointer-set. Update for may_aliases being
7648         a bitmap.
7649         (mark_aliases_call_clobbered): Update for may_aliases being a
7650         bitmap.
7651         (compute_tag_properties): Ditto.
7652         (create_partition_for): Ditto.
7653         (compute_memory_partitions): Ditto.
7654         (dump_may_aliases_for): Ditto.
7655         (is_aliased_with): Ditto.
7656         (add_may_alias_for_new_tag): Ditto.
7657         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7658         (compute_is_aliased): New function.
7659         (compute_may_aliases): Call compute_is_aliased).
7660         (init_alias_info): Initialize alias_bitmap_obstack.
7661         (union_alias_set_into): New function.
7662         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7663         (have_common_aliases_p): Rewrite to take two bitmaps and use
7664         intersection.
7665         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7666         Update for bitmaps.
7667         (finalize_ref_all_pointers): Update for add_may_alias changes.
7668         (new_type_alias): Ditto.
7669         * tree-flow-inline.h (may_aliases): Return a bitmap.
7670         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7671         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7672         may_aliases being a bitmap.
7673         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7674         may_aliases now returns a bitmap.
7675         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7676         being a bitmap.
7677         * tree-ssa-operands.c (add_virtual_operand): Update for
7678         may_aliases being a bitmap.
7679
7680 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7681
7682         PR tree-optimization/30630
7683         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7684         variable as changed.
7685
7686 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7687
7688         PR c++/28266
7689         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7690         expanded only once even if an error occurs.
7691
7692 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7693
7694         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7695         (__gcov_average_profiler): Likewise.
7696         (__gcov_ior_profiler): Likewise.
7697         (__gcov_merge_ior): Likewise.
7698
7699 2007-01-28  Jan Hubicka  <jh@suse.cz>
7700
7701         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7702         * value-prof.c (stringop_block_profile): Likewise.
7703
7704 2007-01-28  Jan Hubicka  <jh@suse.cz>
7705
7706         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7707         variant handling histograms; add wrapper.
7708         (clear_storage_via_libcall): Export.
7709         (emit_block_move_hints): Break out from ...; add histograms.
7710         (emit_block_move): ... this one.
7711         (clear_storage_hints): Break out from ...; add histograms.
7712         (clear_storage): ... this one.
7713         (set_storage_via_memset): Handle histogram.
7714         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7715         (clear_storage_hints, clear_storage_via_libcall): Declare.
7716         (set_storage_via_setmem): Update prototype.
7717         * doc/md.texi (movmem, setmem): Document new arguments.
7718
7719         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7720         new histograms.
7721         (stringop_block_profile): New global function.
7722         (tree_stringops_values_to_profile): Profile block size and alignment.
7723         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7724         HIST_TYPE_IOR.
7725         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7726         (stringop_block_profile): Declare.
7727         * builtins.c: Include value-prof.h.
7728         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7729         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7730         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7731         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7732         * profile.c (instrument_values): Add new counters.
7733         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7734         calls.
7735         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7736         (tree_init_edge_profiler): Build new profilers.
7737         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7738         (pass_tree_profile): Add dump.
7739         (tree_profile_hooks): Update.
7740         * Makefile.in (LIBGCOV): Add new constants.
7741         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7742         __gcov_ior_profiler): New.
7743         * i386.md (movmem/setmem expanders): Add new optional arguments.
7744
7745 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7746
7747         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7748
7749 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7750
7751         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7752         (tree_unswitch_single_loop): Pass eni_size_weights to
7753         tree_num_loop_insns.
7754         * tree-ssa-loop-manip.c: Include tree-inline.h.
7755         (can_unroll_loop_p): Pass eni_size_weights to
7756         tree_num_loop_insns.
7757         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7758         Pass eni_size_weights to estimate_num_insns.
7759         * tree.h (init_inline_once): Export.
7760         * toplev.c (backend_init): Call init_inline_once.
7761         * cgraphunit.c (cgraph_process_new_functions,
7762         cgraph_analyze_function): Pass eni_inlining_weights to
7763         estimate_num_insns.
7764         * ipa-inline.c (compute_inline_parameters): Ditto.
7765         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7766         to estimate_num_insns.
7767         (try_unroll_loop_completely): Pass eni_size_weights to
7768         tree_num_loop_insns.
7769         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7770         ot estimate_num_insns.
7771         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7772         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7773         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7774         eni_time_weights): New variables.
7775         (init_inline_once): Initialize them.
7776         (struct eni_data): Mew.
7777         (estimate_num_insns_1, estimate_num_insns): Use weights.
7778         * tree-inline.h (struct eni_weights_d): New.
7779         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7780         (estimate_num_insns): Declaration changed.
7781         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7782         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7783         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7784
7785 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7786
7787         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7788         relations in the conflict function is valid.
7789
7790 2007-01-27  Ian Lance Taylor  <iant@google.com>
7791
7792         * common.opt: Add fstrict-overflow.
7793         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7794         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7795         (TYPE_OVERFLOW_UNDEFINED): Define.
7796         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7797         Replace all uses.
7798         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7799         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7800         (fold_negate_expr): Likewise.
7801         (make_range): Likewise.
7802         (extract_muldiv_1): Likewise.
7803         (maybe_canonicalize_comparison): Likewise.
7804         (fold_comparison): Likewise.
7805         (fold_binary): Likewise.
7806         (tree_expr_nonnegative_p): Likewise.
7807         (tree_expr_nonzero_p): Likewise.
7808         * tree-vrp.c (compare_values): Likewise.
7809         (extract_range_from_binary_expr): Likewise.
7810         (extract_range_from_unary_expr): Likewise.
7811         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7812         Likewise.
7813         (nowrap_type_p): Likewise.
7814         * tree-scalar-evolution.c (simple_iv): Likewise.
7815         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7816         (build_range_check): Likewise.
7817         (extract_muldiv_1): Likewise.
7818         (fold_comparison): Likewise.
7819         * tree-vrp.c (vrp_int_const_binop): Likewise.
7820         (extract_range_from_unary_expr): Likewise.
7821         * convert.c (convert_to_integer): Likewise.
7822         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7823         (fold_comparison): Likewise.
7824         (fold_binary): Likewise.
7825         * optabs.c (optab_for_tree_code): Likewise.
7826         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7827         * simplify-rtx.c (simplify_const_relational_operation): Check
7828         flag_strict_overflow and flag_trapv.
7829         (simplify_const_relational_operation): Likewise.
7830         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7831         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7832         -fstrict-overflow.
7833
7834 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7835
7836         * tree.c (tree_fold_gcd): Delete.
7837         * tree.h (tree_fold_gcd): Remove prototype.
7838         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7839         test whether one constant integer is a multiple of another.  Instead
7840         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7841         * fold-const.c (multiple_of_p):  We've determined both TOP and
7842         BOTTOM are integer constants so we can call int_const_binop directly
7843         instead of the more generic const_binop.
7844
7845 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7846
7847         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7848         1*X check that the constant hasn't overflowed, to preserve the
7849         TREE_OVERFLOW bit.
7850         (round_up): Provide an efficient implementation when rouding-up an
7851         INTEGER_CST to a power-of-two.
7852
7853 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7854
7855         * doc/sourcebuild.texi: Add comma for clarity.
7856         * doc/extend.texi: Fix some typos.
7857         * doc/passes.texi: Likewise.
7858         * doc/cppinternals.texi: Likewise.
7859         * doc/c-tree.texi: Likewise.
7860         * doc/tree-ssa.texi: Likewise.
7861         * doc/install.texi: Likewise.
7862
7863 2007-01-27  Jan Hubicka  <jh@suse.cz>
7864
7865         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7866         (pass_sra): Do not require alias information.
7867         * passes.c (init_optimization_passes): Add SRA
7868
7869 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7870
7871         * tracer.c (rest_of_handle_tracer): We already cleaned
7872         up the CFG in tracer() so don't do it here again.
7873         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7874         cleanup_cfg here, either.  And don't call renumber_insns.
7875
7876         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7877         and BB_HEAD are in the insn stream here.  Instead make sure
7878         that BB_INSN is valid on all insns.  Also, do check here that
7879         there are no pending branch predictions...
7880         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7881         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7882         here.
7883
7884 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7885
7886         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7887         function to simplify/factorize operand order canonicalization.
7888         (ix86_fixup_binary_operands): Reorganize using the above function.
7889         (ix86_binary_operator_ok): Likewise.
7890
7891 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7892
7893         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7894         file scope from optimize_attrs.
7895         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7896         up search.
7897         (optimize_attrs): Clear insn_code_values after freeing it.
7898
7899 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7900
7901         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7902         a parts.base assignment.
7903
7904 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7905
7906         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7907         (compute_subscript_distance, initialize_data_dependence_relation,
7908         finalize_ddr_dependent, analyze_ziv_subscript,
7909         analyze_siv_subscript_cst_affine,
7910         compute_overlap_steps_for_affine_univar,
7911         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7912         analyze_siv_subscript, analyze_miv_subscript,
7913         analyze_overlapping_iterations, subscript_dependence_tester_1,
7914         compute_self_dependence, free_dependence_relation): Work
7915         with affine_fn instead of chrecs.
7916         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7917         common_affine_function, affine_function_base,
7918         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7919         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7920         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7921         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7922         (all_chrecs_equal_p): Removed.
7923         * tree-data-ref.h (affine_fn, conflict_function): New types.
7924         (struct subscript): Change type of conflicting_iterations_in_a
7925         and conflicting_iterations_in_b.
7926
7927 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7928
7929         PR other/30182
7930         * config/pa/pa.h (TARGET_HPUX_11): New.
7931         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7932         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7933
7934 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7935         Richard Guenther  <rguenther@suse.de>
7936
7937         * tree-ssa-structalias.c (solve_graph): Handle case
7938         we merged the variable to another.
7939
7940 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7941
7942         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7943         functions.
7944
7945         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7946         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7947
7948 2007-01-25  DJ Delorie  <dj@redhat.com>
7949
7950         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7951         allow changes to modes which don't fit in those registers.
7952
7953         * reload1.c (choose_reload_regs): Check for invalid subregs before
7954         computing their locations, not after.
7955
7956 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7957
7958         PR 25127
7959         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7960         save Altivec registers in an eh_return function.
7961         (compute_vrsave_mask): Likewise.
7962         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7963         for saving Altivec registers.
7964         (rs6000_emit_prologue): Don't allocate stack twice in
7965         eh_return function.  Correct expected value of altivec_save_offset
7966         when using save_world.  Describe save of R0 to stack when using
7967         save_world.  Describe stack pointer adjustment when using
7968         save_world.  Remove duplicated eh_return parameter register saving.
7969         Update sp_offset variable after save_world.
7970         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7971         darwin-world.asm.
7972         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7973         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7974         implies Altivec.
7975
7976 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7977
7978         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7979
7980 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7981
7982         PR other/30182
7983         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7984         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7985
7986 2007-01-25  Richard Guenther  <rguenther@suse.de>
7987
7988         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7989         * common.opt (-Wcoverage-mismatch): New warning option.
7990         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7991         if -Wcoverage-mismatch is given.
7992
7993 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7994
7995         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7996         (ipcp_driver): Change to static definition.
7997         Add dumping of the ifunctions.
7998         (constant_val_insert): Remove unused parameter. Support for SSA.
7999         (ipcp_propagate_const): Support for SSA.
8000         (ipcp_profile_bb_print): Print only analyzed nodes.
8001         (ipcp_replace_map_create): Remove support for Fortran constant
8002         for now.
8003         * ipa-prop.c (ipa_method_modify_stmt,
8004         ipa_callsite_compute_param): Support for SSA.
8005         * ipa-prop.h (ipcp_driver): Remove declaration.
8006         (IS_VALID_TREE_MAP_INDEX): Add define.
8007
8008 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8009
8010         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8011
8012 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8013
8014         PR middle-end/30447
8015         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8016         constant argument to cabs and do it without checking for
8017         -funsafe-math-optimizations.
8018
8019 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8020
8021         * c-common.h (RID_FIRST_CXX0X): New.
8022         (RID_LAST_CXX0X): New.
8023         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8024         by -Wall.
8025         * c.opt (Wc++0x-compat): New.
8026         * doc/invoke.texi (-Wc++0x-compat): Document.
8027
8028 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8029
8030         * builtins.c (fold_builtin_carg): New.
8031         (fold_builtin_1): Use it.
8032
8033 2007-01-24  Jan Hubicka  <jh@suse.cz>
8034
8035         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8036
8037         * ipa-inline.c (initial_insns, max_insns): Delete.
8038         (compute_max_insns): New function.
8039         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8040         of insns as base for code growth.
8041         (cgraph_decide_inlining): Make initial_insns local; do not compute
8042         max_insns.
8043         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8044         * doc/invoke.texi (inline-unit-growth): Update docs.
8045
8046 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8047
8048         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8049         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8050         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8051         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8052         for CPUs that have PTA_CX16 set.
8053
8054         PR middle-end/27416
8055         * gimplify.c (omp_check_private): New function.
8056         (gimplify_scan_omp_clauses): Use it for
8057         firstprivate/lastprivate/reduction.
8058
8059         PR middle-end/30494
8060         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8061         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8062
8063         PR middle-end/30421
8064         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8065         If lower_lastprivate_clauses emits some statements, append them
8066         to dlist rather than body_p and to body_p append an initializer.
8067         (lower_omp_for): Adjust caller.
8068
8069 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8070
8071         * target.h (globalize_decl_name): New.
8072         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8073         * output.h (default_globalize_decl_name): New.
8074         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8075         globalize_label.
8076         (globalize_decl): Ditto.
8077         (default_globalize_decl_name): New.
8078         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8079         (ia64_handle_version_id_attribute): New.
8080         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8081         (ia64_asm_output_external): Use globalize_decl_name instead
8082         of globalize_label.
8083         * doc/extend.texi (version_id): New pragma.
8084         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8085
8086 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8087
8088         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8089         _uleb128_t and _Unwind_SWord with _sleb128_t.
8090         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8091         uw_frame_state_for, uw_update_context_1): Likewise.
8092         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8093         * unwind-pe.h (read_uleb128, read_sleb128,
8094         read_encoded_value_with_base): Likewise.
8095         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8096
8097 2007-01-24  Richard Guenther  <rguenther@suse.de>
8098
8099         * builtins.c (expand_builtin_cexpi): Get the fndecl
8100         for cexp in the correct way.
8101
8102 2007-01-24  Jan Hubicka  <jh@suse.cz>
8103
8104         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8105
8106 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8107
8108         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8109         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8110         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8111         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8112         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8113         __SIZEOF_PTRDIFF_T__.
8114         * doc/cpp.texi: Documentation for the new builtin macros added.
8115
8116 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8117
8118         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8119         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8120         instead of operands[2] to avoid access past the end of array.
8121
8122 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8123
8124         * reload1.c (emit_reload_insns): Pass the reload register
8125         for a non-spill output reload through forget_old_reloads_1.
8126
8127 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8128
8129         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8130         _SOFT_DOUBLE if doubles use software floating-point.
8131         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8132         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8133         * config/rs6000/darwin-ldouble.c: Also compile functions for
8134         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8135         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8136         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8137         commented-out long double override.
8138         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8139         * config/rs6000/eabispe.h: Likewise.
8140         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8141         long double for non-SPE.
8142         (rs6000_handle_option): Likewise.
8143         (invalid_e500_subreg): Disallow more subregs involding DImode,
8144         DFmode, TImode or TFmode.
8145         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8146         E500 double.
8147         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8148         double.
8149         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8150         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8151         double.
8152         (rs6000_legitimate_address): Also check for TFmode for E500
8153         double.
8154         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8155         (spe_build_register_parallel): Handle TFmode and TCmode.
8156         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8157         double.
8158         (function_arg): Handle TFmode and TCmode for E500 double.
8159         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8160         in general.
8161         (print_operand): Handle TFmode and TImode for %y.
8162         (rs6000_generate_compare): Handle TFmode comparisons for E500
8163         double.
8164         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8165         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8166         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8167         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8168         TFmode for E500 double.
8169         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8170         (floatsidf2): Enable for E500 double.
8171         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8172         (extenddftf2): Change to extenddftf2_fprs.
8173         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8174         depending on TARGET_E500_DOUBLE.
8175         (extendsftf2): Enable for E500 double.
8176         (trunctfdf2): Enable for E500 double.
8177         (trunctfsf2): Change to trunctfsf2_fprs.
8178         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8179         depending on TARGET_E500_DOUBLE.
8180         (floatsitf2): Enable for E500 double.
8181         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8182         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8183         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8184         (negtf2): Change to negtf2_internal.
8185         (negtf2): New expander.
8186         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8187         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8188         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8189         (movdi_internal32): Use rs6000_nonimmediate_operand.
8190         (unnamed splitter): Likewise.
8191         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8192         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8193         (SPE64TF, DITI): New mode macros.
8194         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8195         modes.
8196         (frob_tf_ti): New.
8197         (frob_<mode>_di_2): New.
8198         (frob_tf_di_8_2): New.
8199         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8200         (frob_ti_tf): New.
8201         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8202         more modes.
8203         (frob_ti_<mode>_8_2): New.
8204         (frob_ti_tf_2): New.
8205         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8206         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8207         TFmode.
8208         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8209         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8210         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8211         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8212         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8213         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8214         tsttflt_gp): New.
8215
8216 2007-01-23  Ian Lance Taylor  <iant@google.com>
8217
8218         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8219         insn-*.o first.
8220         (OBJS-archive): Reformat, alphabetize.
8221         (OBJS): Change out_object_file to OBJS-md.
8222
8223 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8224
8225         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8226         JUMP_P and CALL_P predicates where applicable.
8227         * config/i386/i386.c: Ditto.
8228         * config/i386/i386.md: Ditto.
8229         * config/i386/mmx.md: Ditto.
8230         * config/i386/predicates.md: Ditto.
8231
8232 2007-01-22  Andreas Schwab  <schwab@suse.de>
8233
8234         * config/m68k/m68k.h: Fix comment.
8235
8236 2007-01-22  Jan Hubicka  <jh@suse.cz>
8237
8238         * passes.c (init_optimization_passes): Do not rerun
8239         pass_early_warn_uninitialized.
8240
8241 2007-01-22  Richard Guenther  <rguenther@suse.de>
8242
8243         PR tree-optimization/30038
8244         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8245         function.
8246         (execute_cse_sincos_1): Likewise.
8247         (execute_cse_sincos): Likewise.
8248         (gate_cse_sincos): Likewise.
8249         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8250         the cexpi() canonicalization of sincos().
8251         * tree-pass.h (pass_cse_sincos): Declare.
8252         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8253
8254 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8255
8256         PR rtl-optimization/29329
8257         * combine.c (replaced_rhs_insn): Rename to i2mod.
8258         (replaced_rhs_value): Rename to i2mod_new_rhs.
8259         (i2mod_old_rhs): New global variable.
8260         (combine_instructions): Adjust for above change.  Save a copy of
8261         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8262         note are substituted in the second instruction.
8263         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8264         ditch the note if it pertains to the second eliminated register
8265         and this register is mentioned in i2mod_old_rhs.
8266
8267         Revert:
8268         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8269
8270         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8271         the insn to which the note was originally attached.
8272
8273 2007-01-21  Jan Hubicka  <jh@suse.cz>
8274
8275         * ipa-inline.c (inlining_mode): Comment, move up.
8276         (cgraph_decide_inlining_incrementally): Do not perform inlining
8277         itself; fix handling of flattening of self recursive functions.
8278         (cgraph_find_cycles): Remove.
8279         (cgraph_flatten_node): Remove.
8280         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8281         (try_inline): New function.
8282         (cgraph_early_inlining): Update call of
8283         cgraph_decide_inlining_incrementally.  Apply inlining here.
8284         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8285
8286 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8287
8288         PR bootstrap/30511
8289         * tree-vrp.c (check_array_bounds): do not warn
8290         about ADDR_EXPR's of ARRAY_REF's which are immediately
8291         used in binary expressions.
8292
8293 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8294
8295         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8296         read_write_dep and macros for its access.
8297         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8298         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8299         argument, call vect_check_interleaving for every independent pair of
8300         data-refs. Mark loads that access the same memory location as a store
8301         in the loop.
8302         (vect_check_dependences): Remove.
8303         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8304         call, fix the call to vect_analyze_data_ref_dependence.
8305         (vect_analyze_data_ref_access): For statements that access the same
8306         data-ref, check that they are not stores; for loads, check that there
8307         is no store that access the same location.
8308
8309 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8310             Joseph Myers  <joseph@codesourcery.com>
8311
8312         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8313         (-fdump-rtl-stack): Likewise.
8314         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8315         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8316         (-mpt-fixed): Use @minus{} for minus sign.
8317         (Using Precompiled Headers): Fix under/overfull hbox.
8318
8319 2007-01-20  Jan Hubicka  <jh@suse.cz>
8320
8321         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8322         place within annotation.
8323
8324 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8325
8326         * pa.c (output_move_double): Change array size of xoperands to 4.
8327
8328 2007-01-20  Jan Hubicka  <jh@suse.cz>
8329
8330         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8331         as temporary.
8332
8333 2007-01-19  Ian Lance Taylor  <iant@google.com>
8334
8335         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8336         constant to unsigned HOST_WIDE_INT before negating.
8337
8338 2007-01-19  Ian Lance Taylor  <iant@google.com>
8339
8340         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8341         to unsigned.
8342         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8343         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8344         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8345         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8346         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8347         (realloc_vdef, realloc_vuse): Change second parameter to
8348         unsigned.
8349         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8350         fields to unsigned.
8351         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8352         unsigned. Change x and lim locals to unsigned.
8353         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8354         unsigned.
8355         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8356         (copy_virtual_operands): Change i and n locals to unsigned.
8357
8358 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8359
8360         PR middle-end/29335
8361         * builtins.c (fold_builtin_1): Handle builtin fdim.
8362
8363 2007-01-20  Jan Hubicka  <jh@suse.cz>
8364
8365         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8366         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8367         init_alias_heapvars.
8368         (init_alias_heapvars): Initialize only when not already initialized.
8369         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8370
8371 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8372
8373         * common.opt (fsigned-zeros): New command line option.
8374         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8375         of flag_unsafe_math_optimizations.
8376         * opts.c (set_fast_math_flags): The -ffast-math command line option
8377         implies -fno-signed-zeros.
8378         (fast_math_flags_set_p): Likewise.
8379
8380         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8381         the documentation of -ffast-math appropriately.  Wrap long lines.
8382
8383 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8384
8385         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8386         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8387
8388 2007-01-19  Tomas Bily  <tbily@suse.cz>
8389
8390         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8391         * tree-profile.c:
8392         (tree_init_ic_make_global_vars): New function
8393         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8394         (tree_gen_ic_profiler): New function
8395         (tree_gen_ic_func_profiler): New function
8396         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8397         (tree_profile_hooks): Added hook for indirec/virtual calls
8398         * value-prof.c (tree_find_values_to_profile): New case for
8399         indirect calls
8400         (tree_values_to_profile): Call for determining indirect/virtual
8401         counters
8402         (tree_indirect_call_to_profile): New function
8403         (tree_ic_transform): New function
8404         (tree_ic): New function
8405         (find_func_by_pid): New function
8406         (init_pid_map): New function
8407         (tree_value_profile_transformations): Added check for
8408         indirect/virtual call transformation
8409         * value-prof.h (enum hist_type): New counter type for
8410         indirect/virtual calls
8411         (profile_hooks): Added new hook for profiling indirect/virtual
8412         calls
8413         * profile.c (instrument_values): New case for indirect/virtual
8414         call added
8415         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8416         (GCOV_COUNTER_V_INDIR): New counter type
8417         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8418         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8419         call added
8420         * cgraph.c: Definition of cgraph_max_pid
8421         (cgraph_create_node): Default init of pid attribute
8422         * cgraph.h: Declaration of cgraph_max_pid
8423         (struct cgraph_node): Added pid attribute
8424         * libgcov.c (__gcov_indirect_call_profiler): New function
8425         (__gcov_one_value_profiler_body): New function
8426         (__gcov_one_value_profiler): Body was moved to
8427         __gcov_one_value_profiler_body and calls it
8428
8429 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8430
8431         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8432         * gengtype.c (write_types_data, write_func_for_structure,
8433         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8434         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8435         (walk_type, write_func_for_structure): Generate the mark_hook if
8436         needed.
8437
8438 2007-01-19  Jan Hubicka  <jh@suse.cz>
8439
8440         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8441         'early' argument take inlining mode argument specifying whether to
8442         inline for size/speeed or all functions; add support for flattening;
8443         improve dumpting.
8444         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8445
8446 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8447
8448         PR c++/17947
8449         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8450         the name of the declared identifier.
8451
8452 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8453
8454         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8455         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8456         duplicate evaluation.
8457
8458 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8459
8460         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8461         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8462         to XFMode, use acosxf2 and truncate result to requested mode.
8463         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8464         (asin<mode>2): Similarly, with asin expanders.
8465         (*fscalexf4_i387): Rename from *fscalexf4.
8466         (expNcorexf3): New expander.
8467         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8468         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8469         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8470         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8471         patterns for SSE math.
8472         (exp10<mode>2): Similarly, with exp10 expanders.
8473         (exp2<mode>2): Similarly, with exp2 expanders.
8474         (expm1<mode>2): Similarly, with expm1 expanders.
8475         (ldexp<mode>3): Similarly, with ldexp expanders.
8476         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8477         Use gen_truncxf<mode>2_i387_noop to truncate result.
8478
8479 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8480
8481         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8482         for ColdFire targets.
8483
8484 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8485             Richard Sandiford  <richard@codesourcery.com>
8486
8487         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8488         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8489         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8490         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8491         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8492         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8493
8494 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8495
8496         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8497         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8498         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8499         (*adddi_dilshr32_cf): New pattern.
8500         (adddi3, subdi3): Remove first alternatives.
8501
8502 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8503
8504         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8505         implemented using move.l, do not use its cc result for floating-point
8506         comparisons.
8507
8508 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8509
8510         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8511         from accepting 's' constraints if flag_pic.
8512
8513 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8514
8515         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8516         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8517         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8518         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8519
8520 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8521
8522         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8523         ColdFire alternatives.
8524         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8525         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8526         architectures that support ff1 instruction.
8527
8528 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8529             Julian Brown  <julian@codesourcery.com>
8530
8531         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8532         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8533         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8534         Add commentary.
8535
8536 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8537
8538         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8539         and return a bool.
8540         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8541         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8542         HOST_WIDE_INT instead of an rtx.
8543         (m68k_rtx_costs): Update call accordingly.
8544         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8545         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8546         Return a bool.
8547         (output_move_simode_const): Update calls after above changes.
8548         Rework to use automatic variables and predicates like MEM_P.
8549         * config/m68k/m68k.md (pushexthisi_const): Update call to
8550         valid_mov3q_const.
8551
8552 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8553
8554         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8555         in dump_flags test.
8556
8557 2007-01-19  Richard Guenther  <rguenther@suse.de>
8558
8559         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8560         via cexp in case sincos is not available.
8561
8562 2007-01-19  Richard Guenther  <rguenther@suse.de>
8563
8564         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8565         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8566         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8567         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8568         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8569         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8570         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8571         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8572
8573 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8574
8575         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8576         New insn patterns.
8577         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8578         (atan2xf3): Directly generate RTL pattern.
8579         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8580         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8581         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8582         disable patterns for SSE math.
8583         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8584         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8585         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8586         disable patterns for SSE math.
8587
8588 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8589
8590         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8591
8592 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8593
8594         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8595         VIEW_CONVERT_EXPR to the same type as it's operand.
8596
8597 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8598
8599         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8600         configured for long double 128.
8601
8602 2007-01-18  Mike Stump  <mrs@apple.com>
8603
8604         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8605         error.
8606
8607 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8608
8609         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8610         type correct.
8611
8612 2007-01-18  Jan Hubicka  <jh@suse.cz>
8613
8614         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8615         greater than NUM_VOP_FREE_BUCKETS.
8616
8617 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8618
8619         * tree-ssa-structalias.c: Update comments.
8620         (ptabitmap_obstack): Removed.
8621         (pta_obstack): New.
8622         (oldpta_obstack): Ditto.
8623         (stats): Add a few members.
8624         (struct variable_info): Remove node, complex, address_taken, and
8625         indirect_target members. Add oldsolution member.
8626         (new_var_info): Do not initialize removed members.
8627         (constraint_expr_type): Remove INCLUDES.
8628         (constraint_graph): Add size, implicit_preds, rep,
8629         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8630         (FIRST_REF_NODE): New macro.
8631         (LAST_REF_NODE): Ditto.
8632         (FIRST_ADDR_NODE): Ditto.
8633         (find): New function.
8634         (unite): Ditto.
8635         (dump_constraint): Do not handle INCLUDES.
8636         (insert_into_complex): Do not insert duplicate constraints.
8637         (condense_varmap_nodes): Renamed and rewritten into ...
8638         (merge_node_constraints): This. Also fix bug in handling of
8639         offseted copy constraints.
8640         (clear_edges_for_node): No longer need to deal with preds at all,
8641         or removing associated preds/succs.
8642         (merge_graph_nodes): Deal with indirect_cycles.
8643         Don't deal with predecessors.
8644         (add_implicit_graph_edge): New function.
8645         (add_pred_graph_edge): Ditto.
8646         (add_graph_edge): Don't deal with predecessors.
8647         (build_constraint_graph): Removed.
8648         (build_pred_graph): New function.
8649         (build_succ_graph): Ditto.
8650         (struct scc_info): Removed in_component. Added roots, dfs, and
8651         node_mapping. Remove visited_index, unification_queue.
8652         (scc_visit): Deal with union-find we do now.
8653         Deal with cycles with REF nodes.
8654         (collapse_nodes): Renamed and rewritten to ...
8655         (unify_nodes): This.
8656         (process_unification_queue): Removed.
8657         (topo_visit): Cleanup
8658         (do_da_constraint): Use find.
8659         (do_sd_constraint): Ditto.
8660         (do_ds_constraint): Ditto.
8661         (do_complex_constraint): Ditto.
8662         (init_scc_info): Update for removed and added members.
8663         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8664         (find_indirect_cycles): This.
8665         (equivalence_class): New variable.
8666         (label_visit): New function.
8667         (perform_variable_substitution): Rewritten.
8668         (free_var_substitution_info): New function.
8669         (find_equivalent_node): Ditto.
8670         (move_complex_constraints): Ditto.
8671         (eliminate_indirect_cycles): Ditto.
8672         (solve_graph): Only propagate changed bits.
8673         Use indirect cycle elimination.
8674         Use find.
8675         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8676         (tree_id_eq): Renamed to ...
8677         (tree_vi_eq): This. Update for member change
8678         (insert_id_for_tree): Renamed and rewritten to ...
8679         (insert_vi_for_tree): This.
8680         (lookup_id_for_tree): Renamed and rewritten to ...
8681         (lookup_vi_for_tree): This.
8682         (get_id_for_tree): Renamed and rewritten to ...
8683         (get_vi_for_tree): Ditto.
8684         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8685         (process_constraint): Don't handle INCLUDES.
8686         Remove special ADDRESSOF case.
8687         (find_func_aliases): Rewrite to use vi functions instead of id
8688         ones.
8689         (create_function_info_for): Ditto.
8690         (create_variable_info_for): Ditto.
8691         (intra_create_variable_infos): Ditto.
8692         (merge_smts_into): Ditto.
8693         (find_what_p_points_to): Ditto.
8694         (init_base_vars): Ditto.
8695         (init_alias_vars): Ditto.
8696         (remove_preds_and_fake_succs): New function.
8697         (dump_sa_points_to_info): Dump new stats.
8698         (dump_solution_for_var): Use find.
8699         (set_used_smts): Fix formatting.
8700         (compute_points_to_sets): Updated for new functions.
8701         (ipa_pta_execute): Ditto.
8702
8703 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8704             Richard Sandiford  <richard@codesourcery.com>
8705
8706         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8707         parallels.
8708         * calls.c (expand_call): If the return value is a PARALLEL,
8709         extract its first member.
8710         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8711         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8712         use FUNCTION_EXTRA_EPILOGUE.
8713         (m68k_function_value): Return a PARALLEL if the return value
8714         is of a pointer type.
8715         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8716         (FUNCTION_EXTRA_EPILOGUE): Remove.
8717         * config/m68k/m68k.md (D0_REG): New constant.
8718
8719 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8720
8721         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8722         output a NOP for empty epilogues.
8723
8724 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8725
8726         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8727         before function.  Extend register save check to include all
8728         registers, not just integer ones.
8729
8730 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8731
8732         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8733         (m68k_use_return_insn): ...this.
8734         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8735         * config/m68k/m68k.c (use_return_insn): Rename to...
8736         (m68k_use_return_insn): ...this.
8737         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8738         of USE_RETURN_INSN.
8739
8740 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8741
8742         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8743         nearest even, fix denormal rounding overflow.
8744
8745 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8746
8747         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8748         f%$smove and f%$move.
8749         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8750         (extendsfdf2_cf): Use fdmove instead of f%&move.
8751         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8752         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8753
8754 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8755
8756         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8757         GPR<-GPR moves.
8758
8759 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8760
8761         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8762         (coldfire_single_format): Declare.
8763         (coldfire_double_format): Likewise.
8764         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8765         of qnan_msb_set to determine the lower bits of a canonical
8766         NaN significand.
8767         (encode_ieee_double): Likewise.
8768         (encode_ieee_quad): Likewise.
8769         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8770         (mips_single_format): Likewise.
8771         (ieee_double_format): Likewise.
8772         (mips_double_format): Likewise.
8773         (ieee_extended_motorola_format): Likewise.
8774         (ieee_extended_intel_96_format): Likewise.
8775         (ieee_extended_intel_128_format): Likewise.
8776         (ieee_extended_intel_96_round_53_format): Likewise.
8777         (ibm_extended_format): Likewise.
8778         (mips_extended_format): Likewise.
8779         (ieee_quad_format): Likewise.
8780         (mips_quad_format): Likewise.
8781         (vax_f_format): Likewise.
8782         (vax_d_format): Likewise.
8783         (vax_g_format): Likewise.
8784         (i370_single_format): Likewise.
8785         (i370_double_format): Likewise.
8786         (decimal_single_format): Likewise.
8787         (decimal_double_format): Likewise.
8788         (decimal_quad_format): Likewise.
8789         (c4x_single_format): Likewise.
8790         (c4x_extended_format): Likewise.
8791         (real_internal_format): Likewise.
8792         (coldfire_single_format): New real_format.
8793         (coldfire_double_format): Likewise.
8794         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8795         canonical_nan_lsbs_set.
8796         (pdp11_d_format): Likewise.
8797         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8798         if TARGET_COLDFIRE_CPU.
8799
8800 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8801
8802         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8803         (output_call, m68k_legitimize_call_address): Declare.
8804         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8805         parenthesees.  Add support for a 'W' constraint.
8806         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8807         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8808         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8809         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8810         variables.
8811         (override_options): Initialize them.  Do not set flag_no_function_cse
8812         for TARGET_ID_SHARED_LIBRARY.
8813         (m68k_output_pic_call): Delete.
8814         (m68k_legitimize_call_address): New function.
8815         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8816         (output_call): New function.
8817         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8818         target address from the GOT if symbolic jumps are not allowed.
8819         * config/m68k/m68k.md (call, general_operand): Do not set
8820         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8821         Merge separate flag_pic and !flag_pic define_insns into...
8822         (*call, *call_value): ...these new patterns.  Match the address
8823         rather than the containing MEM and require it to be a call_operand.
8824         Use output_call to generate the asm template.
8825         * config/m68k/predicates.md (const_call_operand): New predicate.
8826         (call_operand): Likewise.
8827
8828 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8829
8830         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8831         (STACK_GROWS_DOWNWARD): Define to 1.
8832         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8833         comments, emphasizing that these values are only defaults.
8834         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8835         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8836
8837 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8838
8839         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8840
8841 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8842             Richard Sandiford  <richard@codesourcery.com>
8843
8844         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8845         (FP_REGNO_P): New macros.
8846         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8847         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8848         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8849         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8850
8851 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8852
8853         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8854         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8855         to $tmake_file.
8856         * config/m68k/t-floatlib: New file, extracting common code from...
8857         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8858         * config/m68k/t-uclinux: Here.
8859         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8860         routines on ColdFire targets.
8861
8862 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8863
8864         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8865         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8866         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8867         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8868         explicitly set MOTOROLA to 1.
8869         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8870
8871 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8872             Nathan Sidwell  <nathan@codesourcery.com>
8873
8874         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8875         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8876         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8877         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8878         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8879         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8880         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8881         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8882         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8883         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8884         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8885         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8886         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8887         (DBX_REGISTER_NUMBER): Delete.
8888         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8889         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8890         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8891
8892 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8893
8894         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8895         * config/flat.h: New file.
8896         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8897         OBJECT_FORMAT_FLAT.
8898         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8899         indirect references for -msep-data or -mid-shared-library.
8900         Do not use PC-relative code addresses either.
8901         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8902         to -mpcrel.
8903         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8904         for shared libraries and crt1.o for executables.  Use crti.o and
8905         crtbegin.o.
8906         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8907         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8908         Do not add -elf2flt or -shared-lib-id options here.
8909         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8910         Pass -shared-lib-id if -mid-shared-library, taking the library
8911         identifier from -mshared-library-id if given, otherwise
8912         defaulting to 0.
8913         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8914         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8915         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8916         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8917         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8918         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8919         and crtend.o.
8920         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8921         jump sequence for ISA A and ISA A+.
8922         (PICJUMP): Likewise.
8923
8924 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8925
8926         * config.gcc (m68k-*-uclinux*): Base the port on the common
8927         and m68k GNU/Linux files rather than on the generic ELF ones.
8928         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8929         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8930
8931 2007-01-18  Julian Brown  <julian@codesourcery.com>
8932             Richard Sandiford  <richard@codesourcery.com>
8933
8934         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8935         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8936         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8937         before redefining.
8938         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8939         80 unconditionally.
8940         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8941
8942 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8943
8944         * doc/install.texi: Document m68k-uclinuxoldabi.
8945         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8946         * config/m68k/uclinux-oldabi.h: New file, copied from
8947         config/m68k/uclinux.h.
8948
8949 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8950
8951         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8952         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8953         (m32r_compute_frame_size): Use unsigned for regno.
8954         (m32r_reload_lr): Use gen_frame_mem.
8955         (pop): New.
8956         (m32r_output_function_epilogue): Don't output the function epilogue
8957         textually here.
8958         (m32r_expand_epilogue): New.
8959         (direct_return): Return false if the function has the interrupt
8960         attribute.
8961         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8962         * config/m32r/m32r.md (epilogue): New expander.
8963         (return_lr, return_rte): New insns.
8964         (return): Make it expander.
8965         (return_normal): New expander.
8966
8967 2007-01-18  Josh Conner  <jconner@apple.com>
8968
8969         PR target/30485
8970         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8971         support for UNLE, UNLT, UNGE, and UNGT.
8972
8973 2007-01-18  Jan Hubicka  <jh@suse.cz>
8974
8975         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8976         * tree-tailcall (add_virtual_phis): Likewise.
8977         (optimize_tail_call): Return TODOs.
8978         (execute_tail_calls): Return TODOs.
8979         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8980         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8981         changed.
8982         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8983         Cleanup cfg using TODO.
8984         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8985         * passes.c (execute_function_todo): When cleanup did something, remove
8986         unused locals.
8987         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8988         (make_edges): Don't cleanup_cfg.
8989
8990 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8991
8992         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8993         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8994         operate on the top of stack.
8995         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8996         register handling of instructions that output to the second
8997         stack slot.
8998         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8999         (move_for_stack_reg): Special-case check for dead destination
9000         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9001
9002         * config/i386/i386.md (UNSPEC_TAN): New constant.
9003         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9004         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9005         to correctly model move of constant 1.0 to top stack slot.
9006         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9007         (unnamed peephole2 pattern): Remove corresponding peephole2
9008         pattern that optimizes tan insn and loading of constant 1.0.
9009         (tanxf2): Use fptanxf4_i387.
9010         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9011         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9012         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9013         disable patterns for SSE math.
9014         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9015         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9016
9017 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9018             Richard Guenther <rguenther@suse.de>
9019
9020         PR diagnostic/8268
9021         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9022         * common.opt (Warray-bounds): Add new warning option.
9023         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9024         if -Wall is given.
9025         * Makefile.in: make tree-vrp.o depend on toplev.h
9026         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9027         is enabled.
9028         (check_array_refs, check_array_bounds, check_array_ref): New.
9029
9030 2007-01-18  Jan Hubicka  <jh@suse.cz>
9031
9032         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9033         (execute_ssa_ccp): Return flags conditionally.
9034         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9035         changed.
9036         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9037
9038 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9039
9040         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9041         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9042
9043         * Makefile.c (GTFILES): Add cfglayout.h.
9044         * gengtype.c (open_base_files): Likewise.
9045         * cfglayout.c (cfg_layout_function_footer,
9046         cfg_layout_function_header) Reindent to make gengtype happy.
9047         * cfglayout.h (cfg_layout_function_footer,
9048         cfg_layout_function_header): Add GTY(()) marker.
9049
9050         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9051
9052 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9053
9054         * genautomata.c (write_automata): Include xstrerror output in the
9055         error message if writing the DFA description file fails.
9056
9057 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9058
9059         * config/mips/mips-protos.h (mips_output_external): Make it
9060         return void.
9061         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9062         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9063         (extern_list): Likewise.
9064         (extern_head): Likewise.
9065         (TARGET_ASM_FILE_END): Likewise.
9066         (mips_file_end): Likewise.
9067         (mips_output_external): Rewritten.
9068
9069 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9070
9071         * genpreds.c (write_insn_preds_c): Only write out the function
9072         body for regclass_for_constraint if we have register constraints.
9073
9074 2007-01-17  Tom Tromey  <tromey@redhat.com>
9075
9076         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9077         * doc/install.texi (Testing): Use sourceware.org.
9078         (Binaries): Likewise.
9079         (Specific): Likewise.
9080         * doc/contrib.texi (Contributors): Use sourceware.org.
9081
9082 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9083
9084         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9085         (AVR_ENHANCED): Rename to ...
9086         (AVR_HAVE_MUL): ... new.
9087         (avr_enhanced_p): Rename to ...
9088         (avr_have_mul_p): ... new.
9089         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9090         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9091         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9092         (avr_have_mul_p): ... new.
9093         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9094         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9095         'avr_enhanced_p' and 'enhanced'.
9096         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9097         AVR_HAVE_MUL instead of AVR_ENHANCED.
9098         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9099         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9100         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9101         instead of AVR_ENHANCED.
9102         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9103         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9104         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9105
9106 2007-01-17  Ian Lance Taylor  <iant@google.com>
9107
9108         * vec.h (VEC_reserve_exact): Define.
9109         (vec_gc_p_reserve_exact): Declare.
9110         (vec_gc_o_reserve_exact): Declare.
9111         (vec_heap_p_reserve_exact): Declare.
9112         (vec_heap_o_reserve_exact): Declare.
9113         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9114         versions.
9115         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9116         negative parameter.
9117         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9118         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9119         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9120         * vec.c (calculate_allocation): Add exact parameter.  Change all
9121         callers.
9122         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9123         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9124         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9125         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9126         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9127         (vec_heap_p_reserve_exact): New function.
9128         (vec_heap_o_reserve_exact): New function.
9129
9130 2007-01-17  Jan Hubicka  <jh@suse.cz>
9131
9132         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9133
9134 2007-01-17  Eric Christopher  <echristo@apple.com>
9135
9136         * config.gcc: Support core2 processor.
9137
9138 2007-01-16  Jan Hubicka  <jh@suse.cz>
9139
9140         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9141         the names, just unlink the chain so we don't crash on dangling pointers
9142         to dead SSA names.
9143
9144 2007-01-16  Jan Hubicka  <jh@suse.cz>
9145
9146         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9147         * tree-pass.h: Reorder to make IPA passes appear toegher.
9148         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9149         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9150         parameters, do not call early inliner.
9151         * ipa-inline.c: Update comments.  Include tree-flow.h
9152         (cgraph_decide_inlining): Do not compute inlining parameters.
9153         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9154         be called with function context set up.
9155         (pass_ipa_inline): Remove unreachable functions before pass.
9156         (cgraph_early_inlining): Simplify assuming to be called from the
9157         PM as local pass.
9158         (pass_early_inline): New pass.
9159         (cgraph_gate_ipa_early_inlining): New gate.
9160         (pass_ipa_early_inline): Turn into simple wrapper.
9161         (compute_inline_parameters): New function.
9162         (gate_inline_passes): New gate.
9163         (pass_inline_parameters): New pass.
9164         (apply_inline): Move here from tree-optimize.c
9165         (pass_apply_inline): New pass.
9166         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9167         transforming.
9168         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9169         doing them by hand.
9170         (tree_function_versioning): Do not allocate dummy struct function.
9171         * tree-inline.h (optimize_inline_calls): Update prototype.
9172         * tree-optimize.c (execute_fixup_cfg): Export.
9173         (pass_fixup_cfg): Remove
9174         (tree_rest_of_compilation): Do not apply inlines.
9175         * tree-flow.h (execute_fixup_cfg): Declare.
9176         * Makefile.in (gt-passes.c): New.
9177         * passes.c: Include gt-passes.h
9178         (init_optimization_passes): New passes.
9179         (nnodes, order): New static vars.
9180         (do_per_function_toporder): New function.
9181         (execute_one_pass): Dump current pass here.
9182         (execute_ipa_pass_list): Don't dump current pass here.
9183
9184 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9185
9186         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9187         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9188
9189 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9190
9191         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9192         (strong_alias): Define.
9193         (__gcc_qmul): Provide non-FMA for soft-float.
9194         (__gcc_qdiv): Same.
9195         (__gcc_qneg): New.
9196         (__gcc_qeq): New.
9197         (__gcc_qle): New.
9198         (__gcc_qge): New.
9199         (__gcc_qunord): New.
9200         (__gcc_stoq): New.
9201         (__gcc_dtoq): New.
9202         (__gcc_qtos): New.
9203         (__gcc_qtod): New.
9204         (__gcc_qtoi): New.
9205         (__gcc_qtou): New.
9206         (__gcc_itoq): New.
9207         (__gcc_utoq): New.
9208         (fmsub): New.
9209         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9210         soft-float functions.
9211         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9212         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9213         about long double soft float.
9214
9215 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9216             Tehila Meyzels  <tehila@il.ibm.com>
9217
9218         * tree-vectorizer.h (is_pattern_stmt_p): New.
9219         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9220         formatting (tabs instead of spaces). Cleanup and clarify setting
9221         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9222         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9223         (vectorizable_type_demotion): Check that types are integral.
9224         (vectorizable_type_promotion): Likewise.
9225         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9226         comments.
9227
9228 2007-01-16  Jan Hubicka  <jh@suse.cz>
9229
9230         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9231         cgraph edges too.
9232
9233 2007-01-15  Eric Christopher  <echristo@apple.com>
9234
9235         * ifcvt.c: Include vec.h, vecprim.h.
9236         (check_cond_move_block): New argument regs.
9237         Reorganize. Add registers used to regs.
9238         (cond_move_process_if_block): Use regs set above as
9239         loop bounds.
9240
9241 2007-01-15  Eric Christopher  <echristo@apple.com>
9242
9243         * config/darwin.h: Update copyright.
9244         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9245         (LINK_COMMAND_SPEC): Add -u.
9246         (LINK_SPEC): Fix umbrella for above.
9247
9248 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9249
9250         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9251         glibc CVS.
9252
9253 2007-01-15  Tom Tromey  <tromey@redhat.com>
9254
9255         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9256         * doc/install.texi (Testing): Don't mention jacks.
9257         (Configuration): Document --enable-java-maintainer-mode.  Move
9258         --with-java-home to libgcj-specific section.  Document
9259         --with-ecj-jar.
9260         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9261
9262 2007-01-15  Jan Hubicka  <jh@suse.cz>
9263
9264         * tree-ssa-dce.c (DCE_TODOs): New.
9265         (propagate_necessity): Return if something changed.
9266         (eliminate_unnecessary_stmts): Likewise.
9267         (perform_tree_ssa_dce): Return TODO flags when needed.
9268         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9269
9270 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9271
9272         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9273         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9274         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9275         patterns using X87MODEF12 mode macro.  Extend operand 1
9276         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9277         (log10<mode>2): Ditto.
9278         (log2<mode>2): Ditto.
9279         (log1p<mode>2): Ditto.
9280         (logb<mode>2): Ditto.
9281         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9282         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9283         (*fxtractxf3_i387): Rename from *fxtractxf3.
9284         (fxtract_extend<mode>xf3_i387): New insn pattern.
9285         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9286         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9287         and gen_fyl2xxf3_i387().
9288
9289 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9290
9291         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9292         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9293         get_loop_exit_edges.  Changed return type to bool.
9294         * cfgloop.h (fix_loop_placement): Declaration removed.
9295
9296 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9297
9298         * param.h (MIN_VECT_LOOP_BOUND): New.
9299         * params.def (MIN_VECT_LOOP_BOUND): New.
9300         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9301         argument - minimum threshold for number of iterations.
9302         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9303         argument to declaration.
9304         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9305         MIN_VECT_LOOP_BOUND.
9306         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9307         slpeel_tree_peel_loop_to_edge with additional argument.
9308         (vect_do_peeling_for_alignment): Likewise.
9309         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9310
9311 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9312
9313         PR target/30413
9314         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9315         operands of size 1.
9316
9317 2007-01-14  Jan Hubicka  <jh@suse.cz>
9318
9319         * tree-dfa.c (remove_referenced_var): New function.
9320         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9321         prune referenced vars list too.
9322         * tree-flow.h (remove_referenced_var): Declare.
9323
9324 2007-01-14  Jan Hubicka  <jh@suse.cz>
9325
9326         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9327         separately.
9328         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9329         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9330         * except.h (verify_eh_throw_table_statements): Kill prototype.
9331         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9332         into call exrepssions.
9333         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9334         eh trhow verifier.
9335         * tree-cfg.c: Include pointer-set.h.
9336         (verify_node_sharing): Work on pointer set.
9337         (verify_eh_throw_stmt_node): New.
9338         (verify_stmts): Use pointers sets, verify throw_stmt.
9339
9340 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9341
9342         * ipa-reference.c (analyze_function): Consider also addresses taken
9343         in phi nodes.
9344
9345 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9346
9347         * c-typeck.c (null_pointer_constant_p): Replace use of
9348         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9349         (build_c_cast): Likewise.
9350
9351 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9352
9353         * tree.h (force_fit_type_double): Remove unused final argument.
9354         * c-common.c (constant_expression_warning): Replace use of
9355         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9356         (convert_and_check): Likewise.
9357         (shorten_compare): Update call to force_fit_type_double.
9358         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9359         * convert.c (convert_to_pointer): Update call to
9360         force_fit_type_double.
9361         * fold-const.c (force_fit_type_double): Remove overflowed_const
9362         argument.
9363         (int_const_binop, fold_convert_const_int_from_int,
9364         fold_convert_const_int_from_real, fold_div_compare,
9365         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9366         fold_abs_const, fold_not_const): Remove the final argument from
9367         calls to force_fit_type_double.
9368
9369 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9370
9371         * configure.ac: Set insn to "nop" for spu-*-* also.
9372         * configure: Regenerate.
9373
9374 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9375
9376         * builtins.def : Add BUILT_IN_FREE.
9377
9378 2007-01-12  Jan Hubicka  <jh@suse.cz>
9379
9380         PR tree-optimization/30443
9381         * tree-inline.c (tree_function_versioning): Do not optimize when
9382         cloning for inlining.
9383
9384 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9385
9386         * doc/loop.texi: Document recording of loop exits.
9387         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9388         (update_single_exits_after_duplication,
9389         update_single_exit_for_duplicated_loop,
9390         update_single_exit_for_duplicated_loops): Removed.
9391         (duplicate_loop_to_header_edge): Do not call
9392         update_single_exits_after_duplication and
9393         update_single_exit_for_duplicated_loops.
9394         (loop_version): Do not update single_exit information.
9395         (fix_loop_structure): Use record_loop_exits instead of
9396         mark_single_exit_loops.
9397         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9398         the lists of loop exits.
9399         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9400         split_edge, merge_blocks): Update the lists of loop exits.
9401         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9402         loop_optimizer_init.
9403         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9404         of mark_single_exit_loops.
9405         (loop_optimizer_finalize): Call release_recorded_exits.
9406         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9407         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9408         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9409         update single exit information.
9410         * lambda-code.c (perfect_nestify): Ditto.
9411         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9412         (mark_single_exit_loops): Removed.
9413         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9414         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9415         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9416         functions.
9417         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9418         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9419         (verify_loop_structure): Verify consistency of the exit lists.
9420         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9421         (set_single_exit): Removed.
9422         * cfgloop.h (struct loop_exit): New function.
9423         (struct loop): single_exit_ field replaced by exits field.
9424         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9425         (struct loops): Added exits hash.
9426         (mark_single_exit_loops, set_single_exit): Declaration removed.
9427         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9428
9429 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9430
9431         * doc/invoke.texi: Avoid use of @headitem.
9432
9433 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9434
9435         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9436
9437 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9438
9439         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9440         list of targets.
9441
9442 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9443             Richard Sandiford  <richard@codesourcery.com>
9444
9445         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9446         * config/m68k/m68k.opt: Resort options.
9447         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9448
9449 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9450             Richard Sandiford  <richard@codesourcery.com>
9451
9452         * doc/invoke.texi: Document the macros that are defined by
9453         m68k's -mtune and -mhard-float options.
9454         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9455         (m68k_cpp_cpu_family): Likewise.
9456         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9457         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9458         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9459         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9460         (m68k_cpp_cpu_family): Likewise.
9461
9462 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9463
9464         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9465         macros besides mc68000 as tuning macros.  Use a switch statement
9466         to set them and mcpu32.
9467
9468 2007-01-12  Julian Brown  <julian@codesourcery.com>
9469
9470         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9471         (TARGET_68040_ONLY): Rename to...
9472         (TARGET_68040): ...this.
9473         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9474         * config/m68k/m68k.md: Likewise.
9475
9476 2007-01-12  Julian Brown  <julian@codesourcery.com>
9477             Nathan Sidwell  <nathan@codesourcery.com>
9478             Richard Sandiford  <richard@codesourcery.com>
9479
9480         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9481         the -mcpu= argument associated with the --with-cpu setting.
9482         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9483         if different from the one implied by the -mcpu setting.
9484         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9485         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9486         * doc/invoke.texi: Mention ColdFire in the introduction to the
9487         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9488         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9489         -mhard-float.  Document the previously-undocumented -m5206e,
9490         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9491         documentation for consistency.
9492         * doc/install.texi: Mention new --with-cpu arguments.
9493         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9494         default CPU if neither -mcpu nor -march are specified.
9495         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9496         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9497         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9498         using m68k_tune to decide between families that implement the
9499         same ISA.  Use m68k_tune to set __mcfv4e__.
9500         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9501         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9502         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9503         (FL_ISA_C, FL_ISA_MMU): New macros.
9504         (MASK_COLDFIRE): Delete.
9505         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9506         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9507         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9508         (TARGET_HARD_FLOAT): Do not define here.
9509         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9510         (TUNE_68000): New macro.
9511         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9512         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9513         (TUNE_CFV2): Redefine in terms of m68k_tune.
9514         (uarch_type, target_device, fpu_type): New enums.
9515         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9516         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9517         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9518         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9519         (FL_FOR_isa_c): New macros.
9520         (m68k_isa): New enum.
9521         (m68k_target_selection): New structure.
9522         (all_devices, all_isas, all_microarchs): New tables.
9523         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9524         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9525         (MASK_ALL_CPU_BITS): Delete.
9526         (m68k_find_selection): New function.
9527         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9528         Map the legacy target options to a combination of the new ones.
9529         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9530         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9531         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9532         settings.
9533         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9534         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9535         properties.
9536         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9537         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9538         * config/m68k/m68k-devices.def: New file.
9539
9540 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9541             Nathan Sidwell  <nathan@codesourcery.com>
9542
9543         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9544         (SUBTARGET_EXTRA_SPECS): New macros.
9545         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9546         use %(asm_cpu_spec) instead.
9547         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9548         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9549         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9550         (EXTRA_SPECS): Rename to...
9551         (SUBTARGET_EXTRA_SPECS): ...this.
9552
9553 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9554             Richard Sandiford  <richard@codesourcery.com>
9555             Julian Brown  <julian@codesourcery.com>
9556
9557         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9558         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9559         to the configuration's default CPU.
9560         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9561         Remove default masks.
9562         (m680[012]0-*-*): Set the default with_cpu to the first part of
9563         the target name.
9564         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9565         (m68k*-*-linux): Extend the --with-cpu handling to...
9566         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9567         and m68010.  Don't set target_cpu_default2.
9568         * doc/install.texi: Document --with-cpu for m68k.
9569         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9570         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9571         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9572         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9573         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9574         (ASM_SPEC): Remove use of %(asm_cpu_default).
9575         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9576         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9577         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9578         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9579         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9580         (TARGET_DEFAULT): Delete.
9581         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9582         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9583         (CPP_CPU_SPEC): Delete.
9584         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9585         the appropriate string.
9586         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9587         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9588         (ASM_SPEC): Don't use %(asm_default_spec).
9589         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9590         TARGET_DEFAULT and add MASK_68881.
9591         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9592
9593 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9594
9595         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9596         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9597         MASK_68010 alongside MASK_68020.
9598         * doc/invoke.texi: Document -m68010.
9599         * config/m68k/m68k.opt (m68010): New.
9600         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9601         if TUNE_68010.
9602         (TUNE_68010): New macro.
9603         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9604         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9605         (M68K_CPU_m68332): Add MASK_68010.
9606         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9607         fallback definition.
9608         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9609         defines.
9610         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9611         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9612         to all entries that use MASK_68020.
9613         (output_move_simode_const, output_move_himode, output_move_qimode)
9614         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9615         instead of TARGET_68020 to select clr behavior.  Remove comment
9616         about there being no TARGET_68010.
9617         * config/m68k/m68k.md: Likewise throughout.
9618
9619 2007-01-12  Julian Brown  <julian@codesourcery.com>
9620
9621         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9622         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9623         * config/m68k/m68k.md: Likewise.
9624
9625 2007-01-12  Julian Brown  <julian@codesourcery.com>
9626
9627         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9628         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9629
9630 2007-01-12  Julian Brown  <julian@codesourcery.com>
9631
9632         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9633         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9634         * config/m68k/m68k.md: Likewise.
9635
9636 2007-01-12  Julian Brown  <julian@codesourcery.com>
9637             Richard Sandiford  <richard@codesourcery.com>
9638
9639         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9640         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9641         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9642         TARGET_CPU32.
9643         (TARGET_CPU32): Rename to...
9644         (TUNE_CPU32): ...this.
9645         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9646         (TUNE_CFV2): New macros.
9647         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9648         remove conditions that are implied by TARGET_68020.
9649         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9650         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9651         (m68k_output_function_epilogue): Likewise.
9652         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9653         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9654         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9655         non-68000 timings.  Refactor multiplication and division costs.
9656         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9657         TUNE_CPU32 instead of TARGET_CPU32.
9658         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9659         and TUNE_68060 instead of TARGET_68060.
9660         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9661         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9662         TARGET_CPU32.
9663         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9664         && !TARGET_COLDFIRE" to choose between moveq and clr.
9665         Likewise in the unnamed movsf pattern.
9666         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9667         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9668         ashiftrt pattern.
9669
9670 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9671
9672         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9673         of tabbing before backslashes.
9674
9675 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9676
9677         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9678         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9679         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9680
9681 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9682
9683         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9684         find_interesting_uses_cond.
9685         (find_interesting_uses_cond): Use extract_cond_operands.
9686         (rewrite_use_compare): Use extract_cond_operands and
9687         force_gimple_operand_bsi.  Do not call update_stmt.
9688         (determine_use_iv_cost_condition): Use extract_cond_operands.
9689         Return cheaper of using original bound and changing the exit bound.
9690
9691 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9692
9693         PR tree-optimization/29516
9694         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9695         most_expensive_mult_to_index, addr_to_parts,
9696         create_mem_ref, maybe_fold_tmr): Make the type of
9697         fields of TARGET_MEM_REF sizetype.
9698         (move_fixed_address_to_symbol, move_pointer_to_base):
9699         New functions.
9700         * tree.def (TARGET_MEM_REF): Add comment on types of
9701         the operands.
9702
9703 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9704
9705         * c-common.c (vector_types_convertible_p): Treat opaque types as
9706         always convertible if they have the same size, but not otherwise.
9707
9708 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9709
9710         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9711         Remove the b_unconditional field.
9712         (noce_try_sign_mask): Do not look at b_unconditional.
9713         (noce_process_if_block): Do not use merge_if_blocks.  Update
9714         the CFG here.  Do not set b_unconditional.
9715         (cond_move_process_if_block): Likewise.
9716         (find_cond_trap): Likewise.
9717         (check_cond_move_block): Require simple jump insns at the end
9718         of the basic block.
9719
9720 2007-01-11  Jan Hubicka  <jh@suse.cz>
9721
9722         PR tree-optimization/1046
9723         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9724         when alias info is not ready.
9725         (pass_tail_recursion): Do not require aliasing.
9726         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9727         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9728         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9729         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9730         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9731         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9732         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9733         before inlining.
9734         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9735         When aliasing is not build, mark statement as volatile.
9736
9737 2007-01-11  Tom Tromey  <tromey@redhat.com>
9738
9739         PR preprocessor/15185, PR preprocessor/20989:
9740         * doc/cppopts.texi <-MT>: Update description of algorithm for
9741         computing default target.
9742         <-M, -MD>: Reword "basename" text.
9743
9744 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9745
9746         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9747         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9748         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9749         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9750         fold_builtin_bswap, real_constp, fold_builtin_pow,
9751         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9752         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9753         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9754         * convert.c (convert_to_pointer): Likewise.
9755         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9756         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9757         const_binop, fold_convert_const_int_from_int,
9758         fold_convert_const_int_from_real,
9759         fold_convert_const_real_from_real, sign_bit_p,
9760         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9761         fold_sign_changed_comparison, fold_unary, fold_comparison,
9762         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9763         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9764         * print-tree.c (print_node_brief, print_node): Likewise.
9765         * stor-layout.c (place_field, layout_type): Likewise.
9766         * tree-chrec.c (keep_cast): Likewise.
9767         * tree.c (build_vector, build_real, build_real_from_int_cst,
9768         build_complex): Likewise.
9769
9770 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9771
9772         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9773         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9774
9775 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9776
9777         * configure.ac (strict1_warn): Rename to strict_warn.
9778         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9779         cc_set_by_configure, quoted_cc_set_by_configure,
9780         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9781         all_boot_languages, all_stagestuff): Remove.
9782         (target_list): Remove bootstrap targets.
9783         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9784         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9785         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9786         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9787         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9788         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9789         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9790         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9791         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9792         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9793         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9794         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9795         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9796         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9797         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9798         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9799         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9800         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9801         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9802         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9803         (mostlyclean): Adjust.
9804         (clean, distclean): Don't mention bootstrap stuff.
9805         * configure: Regenerate.
9806         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9807         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9808         treelang/config-lang.in (stagestuff): Remove.
9809         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9810         stageprofile, stagefeedback, stagestuff): Remove mention.
9811
9812 2007-01-11  Nick Clifton  <nickc@redhat.com>
9813
9814         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9815         Accept CONSTs.
9816         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9817         (mcore_arith_K_S_operand): Run the test for the S constraint not
9818         the test for the M constraint.
9819         (mcore_addsub_operand): Do not accept integer values that are
9820         larger than 32 bits.
9821         * config/mcore/mcore.md: Remove unused constraints from split.
9822         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9823         (addsi3): Likewise.
9824         (allocate_stack): Likewise.
9825         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9826         operands to 32 bits.
9827         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9828         INTVAL.
9829         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9830         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9831         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9832         mcore_output_bclri, mcore_output_andn, output_inline_const,
9833         mcore_output_move, mcore_output_movedouble): Likewise.
9834         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9835         (output_inline_const): Likewise.
9836         (output_inline_const): Fix format strings used in sprintf
9837         statements.
9838         * config/mcore/mcore-protos.h: Update prototypes for changed
9839         functions in mcore.c.
9840         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9841         HOST_WIDE_INT and not int.
9842         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9843         CONST_OK_FOR_N): Likewise.
9844         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9845         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9846         an INTVAL.
9847
9848 2007-01-10  Jan Hubicka  <jh@suse.cz>
9849
9850         * tree-vrp.c (remove_range_assertions): Release defs.
9851         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9852         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9853
9854 2007-01-10  Paul Brook  <paul@codesourcery.com>
9855
9856         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9857         * config/arm/arm.md (mulsi3subsi): New insn.
9858
9859 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9860
9861         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9862         (tree_transform_and_unroll_loop): New.
9863         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9864         Declare.
9865
9866 2007-01-10  Robert Kennedy <jimbob@google.com>
9867
9868         * fold-const.c (fold_comparison): Fold comparisons like (x *
9869         1000 < 0) to (x < 0).
9870
9871 2007-01-10  Ian Lance Taylor  <iant@google.com>
9872
9873         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9874         operands have the same priority.
9875
9876 2007-01-10  Tom Tromey  <tromey@redhat.com>
9877
9878         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9879         (fold_binary): Likewise.
9880         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9881         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9882         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9883         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9884         * langhooks.h (struct lang_hooks): Removed field
9885         'can_use_bit_fields_p'.
9886
9887 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9888
9889         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9890
9891 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9892
9893         * function.c (get_last_funcdef_no): New function.
9894         * function.h (get_last_funcdef_no): Declare.
9895         * tree-inline.c (initialize_cfun): Add initialization.
9896         (tree_function_versioning): Cleanup.
9897
9898 2007-01-10  Jan Hubicka  <jh@suse.cz>
9899
9900         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9901         PHIs.
9902
9903 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9904             Ben Elliston  <bje@au.ibm.com>
9905
9906         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9907         for SAVE_NONLOCAL and Pmode for any other save level.
9908         * spu-protos.h (spu_restore_stack_block): Declare.
9909         * spu.md (save_stack_block): Remove.
9910         (restore_stack_block): Call spu_restore_stack_block.
9911         * spu.c (spu_restore_stack_block): New function.
9912         (spu_expand_epilogue): Remove old comment.
9913
9914 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9915
9916         PR tree-optimization/30322
9917         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9918         (cand_value_at): Return the value as aff_tree.
9919         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9920         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9921         aff_combination_mult): New functions.
9922         (aff_combination_add): Use aff_combination_add_cst.
9923         (aff_combination_convert): Allow conversions to a wider type.
9924         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9925         * tree-affine.h (aff_combination_mult): Declare.
9926
9927 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9928
9929         * doc/tm.texi: Update documentation to reflect reality of exec
9930         and start file search behaviours. Update copyright year.
9931         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9932         header file directories.
9933
9934 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9935
9936         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9937         (*cosxf2): Rename to cosxf2_i387.
9938         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9939         using X87MODEF12 mode macro. Rename patterns to
9940         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9941         for SSE math.
9942         (*cosdf2, *cossf2): Ditto.
9943         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9944         to match extended input operands.
9945         (sincos<mode>3): New expander.
9946         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9947         insn patterns and corresponding splitters.
9948
9949 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9950
9951         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9952         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9953
9954 2007-01-09  Nicolas Pitre  <nico@cam.org>
9955
9956         PR target/30173
9957         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9958
9959 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9960
9961         * target.h (struct gcc_target): New field library_rtti_comdat.
9962         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9963         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9964         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9965         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9966
9967 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9968
9969         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9970
9971 2007-01-08  Richard Guenther  <rguenther@suse.de>
9972
9973         * tree.h (force_fit_type_double): Export.
9974         (force_fit_type): Remove.
9975         * fold-const.c (force_fit_type_double): New function.
9976         (force_fit_type): Remove.
9977         (int_const_binop): Use it.
9978         (fold_convert_const_int_from_int): Likewise.
9979         (fold_convert_const_int_from_real): Likewise.
9980         (fold_div_compare): Likewise.
9981         (fold_sign_changed_comparison): Likewise.
9982         (fold_unary): Likewise.
9983         (fold_negate_const): Likewise.
9984         (fold_abs_const): Likewise.
9985         (fold_not_const): Likewise.
9986         * c-common.c (shorten_compare): Use force_fit_type_double.
9987         * convert.c (convert_to_pointer): Likewise.
9988
9989 2007-01-08  Richard Guenther  <rguenther@suse.de>
9990
9991         * tree.h (build_int_cst_wide_type): Export.
9992         * tree.c (build_int_cst_wide_type): New function.
9993         (build_int_cst_wide): Fix comment.
9994         * builtins.c (fold_builtin_object_size): Use build_int_cst
9995         to build -1 or 0 of the correct type.  Use fit_double_type
9996         to check for overflow.
9997         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9998         to build the mask.
9999         (decode_field_reference): Likewise.
10000         (all_ones_mask_p): Likewise.
10001         (native_interpret_int): Use build_int_cst_wide_type.
10002         (fold_binary): Use build_int_cst_type to build an all-ones
10003         value.
10004         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10005
10006 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10007
10008         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10009
10010 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10011
10012         * genautomata.c (STATS_OPTION): New option.
10013         (stats_flag): New flag.
10014         (gen_automata_option): Handle it.
10015         (initiate_automaton_gen): Ditto.
10016         (write_automata): Output statistics only if stats_flag is
10017         set. Likewise, output time statistics only if time_flag is set.
10018         * doc/md.texi (Processor pipeline description): Document new flag.
10019
10020 2007-01-08  Richard Guenther  <rguenther@suse.de>
10021
10022         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10023         * tree.c (build_int_cst_type): Likewise.
10024         (size_in_bytes): Don't call force_fit_type on the result.
10025         (int_fits_type_p): Use fit_double_type.
10026         * fold-const.c (fit_double_type): New function.
10027         (force_fit_type): Use it.
10028         * tree.h (fit_double_type): Export.
10029
10030 2007-01-08  Jan Hubicka  <jh@suse.cz>
10031
10032         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10033         * ipa.c (function_and_variable_visibility): Fix return type.
10034
10035 2007-01-08  Richard Guenther  <rguenther@suse.de>
10036
10037         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10038         of offset to build the index.
10039         * tree-pretty-print.c (dump_generic_node): Don't build negated
10040         const just for printing.
10041         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10042         * builtins.c (fold_builtin_int_roundingfn): Check if result
10043         fits the type by using force_fit_type and comparing the result.
10044         * predict.c (predict_loops): Use compare_tree_int for comparison.
10045         * tree.c (build_int_cst): Fall back to integer_type_node for
10046         NULL_TREE type.
10047         (build_int_cst_wide): Assert type is non-null.
10048
10049 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10050
10051         * tree-vrp.c (extract_range_from_cond_expr): New.
10052         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10053         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10054         as expressions.
10055         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10056         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10057         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10058         used as expressions.
10059         * tree-object-size.c (cond_expr_object_size): New.
10060         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10061
10062 2007-01-08  Jan Hubicka  <jh@suse.cz>
10063
10064         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10065         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10066         statement.
10067
10068 2007-01-08  Richard Guenther  <rguenther@suse.de>
10069
10070         PR tree-optimization/23603
10071         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10072         (extract_range_from_binary): Fall back to truthvalue instead of
10073         varying for TRUTH_*_EXPR.
10074         (extract_range_from_comparison): Fall back to truthvalue instead of
10075         varying.
10076         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10077         if all visited PHI values were constant.
10078
10079 2007-01-08  Jan Hubicka  <jh@suse.cz>
10080
10081         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10082         (cgraph_analyze_function): break out from ...
10083         (cgraph_finalize_compilation_unit): ... here.
10084         (cgraph_expand_function): Remove forgoten commented out line.
10085         (cgraph_optimize): Analyze functions.
10086
10087 2007-01-08  Jan Hubicka  <jh@suse.cz>
10088
10089         * tree-pas.h (TODO_remove_function): New flag.
10090         (TODO_update*): Renumber.
10091         (pass_ipa_increase_alignment,
10092         pass_ipa_function_and_variable_visibility): New passes.
10093         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10094         (cgraph_function_and_variable_visibility): Move to ipa.c
10095         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10096         cgraph_increase_alignment.
10097         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10098         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10099         calling tree-inline.
10100         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10101         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10102         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10103         (gate_increase_alignment): New function.
10104         (pass_ipa_increase_alignment): New pass.
10105         * ipa.c: Inline tree-pass.h and timevar.h
10106         (function_and_variable_visibility): Move here from cgraphunit.c
10107         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10108         * passes.c (init_optimization_passes): Add the two new passes.
10109         (execute_todo): Handle cgraph_remove_functions.
10110
10111 2007-01-08  Nick Clifton  <nickc@redhat.com>
10112
10113         * config/frv/predicates.md (reg_or_0_operand): Accept
10114         CONST_DOUBLEs.
10115
10116 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10117
10118         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10119         * config.gcc: Add bfin*-rtems*.
10120
10121 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10122
10123         * c.opt: Add -flax-vector-conversions.
10124         * c-typeck.c (convert_for_assignment): Pass flag to
10125         vector_types_convertible_p to allow emission of note.
10126         (digest_init): Likewise.
10127         * c-opts.c: Handle -flax-vector-conversions.
10128         * c-common.c (flag_lax_vector_conversions): New.
10129         (vector_types_convertible_p): Unless -flax-vector conversions
10130         has been passed, disallow conversions between vectors with
10131         differing numbers of subparts and/or element types.  If such
10132         a conversion is disallowed, possibly emit a note on the first
10133         occasion only to inform the user of -flax-vector-conversions.
10134         The new last argument specifies this.
10135         * c-common.h (flag_lax_vector_conversions): New.
10136         (vector_types_convertible_p): Add extra argument.
10137         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10138         char_type_node for V*QI type vectors.
10139         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10140         Update to satisfy new typechecking rules.
10141         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10142         C and C++ variants.
10143         * doc/invoke.texi (C Dialect Options): Document
10144         -flax-vector-conversions.
10145
10146 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10147
10148         PR tree-optimization/29877
10149         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10150         a register variable on the RHS to not be replaceable.
10151
10152 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10153         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10154         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10155         const_simm15, const_pow2, const_npow2): Added.
10156         * config/score/misc.md (insv, extv, extzv, movmemsi,
10157         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10158         * config/score/score.c (score_address_cost, score_select_cc_mode):
10159         Added.
10160         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10161         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10162         Update score_print_operand.
10163         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10164         Adjust register allocate order and update some macro define.
10165         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10166         mdx_block_move_straight, mdx_block_move_loop_head,
10167         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10168         mdx_block_move): Added.
10169         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10170         mdp_limm): Updated and fix some bug and typo.
10171         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10172         (movsf, movdf, doloop_end): Added.
10173
10174 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10175
10176         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10177         config/arm/thumb2.md: Fix comment typos.
10178         * doc/extend.texi: Fix a typo.
10179
10180 2007-01-07  Eric Christopher  <echristo@apple.com>
10181
10182         * configure.ac: Check for __stack_chk_fail for darwin.
10183         * configure: Regenerate.
10184
10185 2007-01-07  Richard Guenther  <rguenther@suse.de>
10186
10187         * tree-vrp.c (extract_range_from_assert): CSE calls to
10188         compare_values where possible.
10189         (extract_range_from_unary_expr): Likewise.
10190
10191 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10192
10193         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10194         * config/avr/avr.c (call_insn_operand): Delete function.
10195         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10196         instead of register number. Use predicates.
10197         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10198         call_insn_operand): Add.
10199
10200 2007-01-06  Jan Hubicka  <jh@suse.cz>
10201
10202         * tree-pass.h (pass_build_cgraph_edges): Declare.
10203         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10204         (visited_nodes): Remove.
10205         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10206         build_cgrpah_edges; make visited_nodes local.
10207         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10208         (record_references_in_initializer): Move to cgraphbuild.c
10209         (initialize_inline_failed, rebuild_cgraph_edges,
10210         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10211         (verify_cgraph_node): Make visited_nodes local.
10212         (cgraph_analyze_function): Do not call cgraph_create_edges and
10213         initialize_inline_failed.
10214         (cgraph_expand_function): Do not call cgraph_lower_function;
10215         assert that function is already lowered.
10216         * Makefile.in (cgraphbuild.o): New.
10217         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10218         at the end of lowering passes.
10219
10220 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10221
10222         * ifcvt.c (cond_move_convert_if_block): New function, code
10223         factored out from...
10224         (cond_move_process_if_block): ...here.  Call the new function
10225         on the THEN and ELSE blocks.
10226         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10227         already takes care of this.
10228
10229 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10230
10231         PR c/19978
10232         * tree.h (TREE_OVERFLOW_P): New.
10233         * c-typeck.c (parser_build_unary_op): Warn only if result
10234         overflowed and operands did not.
10235         (parser_build_binary_op): Likewise.
10236         (convert_for_assignment): Remove redundant overflow_warning.
10237         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10238
10239 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10240
10241         * c-typeck.c (store_init_value): Split over two lines to follow
10242         the GNU coding style.
10243
10244 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10245
10246         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10247         __GXX_EXPERIMENTAL_CXX0X__.
10248         * doc/cpp.texi: Same.
10249
10250 2007-01-05  Richard Guenther  <rguenther@suse.de>
10251
10252         PR middle-end/27826
10253         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10254         with mismatched types.  Instead explicitly build a
10255         conversion NOP_EXPR.
10256
10257 2007-01-05  Ian Lance Taylor  <iant@google.com>
10258
10259         * c-common.c (decl_with_nonnull_addr_p): New function.
10260         (c_common_truthvalue_conversion): Call it.
10261         * c-typeck.c (build_binary_op): Likewise.
10262         * c-common.h (decl_with_nonnull_addr_p): Declare.
10263
10264 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10265
10266         PR c/30360
10267         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10268         denom against 0.0.
10269
10270 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10271
10272         * doc/install.texi (Final install): Document the fact that
10273         the GNAT runtime should not be stripped.
10274
10275 2007-01-04  Jan Hubicka  <jh@suse.cz>
10276
10277         * tree-inline.c (fold_marked_statements): Update operand caches
10278         and EH after folding
10279
10280 2007-01-04  Ian Lance Taylor  <iant@google.com>
10281
10282         * c-common.c (check_function_nonnull): Whitespace fix.
10283
10284 2007-01-04  Jan Hubicka  <jh@suse.cz>
10285
10286         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10287         comitted older version of patch.
10288         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10289         function, celanup cfg and collect garbage.
10290
10291 2007-01-04  Mike Stump  <mrs@apple.com>
10292
10293         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10294         (clean): Likewise.
10295
10296 2007-01-04  Eric Christopher  <echristo@apple.com>
10297
10298         * libgcc2.c (__bswapsi2): Use SItype.
10299         (__bswapdi2): Use DItype.
10300         * libgcc2.h: Update for above.
10301
10302 2007-01-04  Paul Brook  <paul@codesourcery.com>
10303
10304         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10305         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10306         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10307         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10308         umulsi3_highpart): Make conditional on !arm_arch6.
10309         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10310         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10311         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10312         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10313         umulsi3_highpart_v6): New insns.
10314
10315 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10316
10317         * fold-const.c (fold_convert): When casting an expression to void,
10318         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10319         have a type.  Instead of attempting to build a NOP_EXPR, return
10320         these "special" trees directly.
10321
10322 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10323
10324         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10325         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10326         rs6000_cost->fp not 0 as adjustment for outer NEG.
10327
10328 2007-01-04  Jan Hubicka  <jh@suse.cz>
10329
10330         * cgraph.c (cgraph_release_function_body): New function.
10331         (cgraph_remove_node): Use it.
10332         * cgraph.h (cgraph_release_function_body): Declare.
10333         * cgraphunit.c (cgraph_expand_function): Use it.
10334         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10335         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10336         is initialized and while compilation of other function is running.
10337         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10338         statement CFG annotations from here to ...
10339         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10340
10341 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10342
10343         * cfgloop.h (enum li_flags): Make the constants powers of two.
10344
10345 2007-01-04  Jan Hubicka  <jh@suse.cz>
10346
10347         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10348         set.
10349         (fold_marked_statements): New function.
10350         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10351         * tree-inline.h (copy_body_data): Add statements_to_fold.
10352
10353 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10354
10355         * config.gcc: Mention libgcc/config.host.
10356         * Makefile.in: Update comments mentioning libgcc.
10357         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10358         (all.cross, start.encap, rest.encap, rest.cross): Update
10359         dependencies for libgcc move.
10360         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10361         (clean-target, clean-target-libgcc): Delete.
10362         (srcdirify, GCC_EXTRA_PARTS): New macros.
10363         (libgcc-support, libgcc.mvars): New rules.
10364         (distclean): Remove mention of mklibgcc.
10365         (install): Don't reference INSTALL_LIBGCC.
10366         (install-common): Don't reference EXTRA_PARTS.
10367         (install-libgcc, install-multilib): Delete rules.
10368         * mklibgcc.in: Delete file.
10369         * doc/configfiles.texi: Don't mention mklibgcc.
10370
10371         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10372         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10373         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10374         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10375         (mklibgcc, ldblspecs): Likewise.
10376
10377         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10378         (posixpre.def): Use $(T).
10379         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10380         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10381         (SHLIB_LINK): Make dummy.
10382         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10383
10384         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10385
10386         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10387         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10388         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10389         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10390
10391         * configure.ac (all_outputs): Remove mklibgcc.
10392         * configure: Regenerated.
10393
10394 2007-01-03  Josh Conner  <jconner@apple.com>
10395
10396         PR middle-end/29683
10397         * calls.c (compute_argument_addresses): Set stack and stack_slot
10398         for partial args, too.
10399         (store_one_arg): Use locate.size.constant for the size when
10400         generating a save_area.
10401
10402 2007-01-03  Robert Kennedy <jimbob@google.com>
10403
10404         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10405         whose definitions are deleted due to basic block merging.
10406
10407 2007-01-03  Paul Brook  <paul@codesourcery.com>
10408
10409         PR target/16634
10410         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10411         functions.
10412         (use_return_insn): Return 0 for Thumb interrupt functions.
10413         (print_multi_reg): Add rfe argument for IRQ returns.
10414         (arm_output_epilogue): Pop interrupt return address directly into PC.
10415         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10416
10417 2007-01-03  Paul Brook  <paul@codesourcery.com>
10418
10419         Merge from sourcerygxx-4_1.
10420         * config/arm/thumb2.md: New file.
10421         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10422         Thumb-2.
10423         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10424         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10425         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10426         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10427         tables.
10428         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10429         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10430         comptibility.
10431         * config/arm/ieee754-sf.S: Ditto.
10432         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10433         (thumb1_base_register_rtx_p): ... to this.
10434         (thumb_index_register_rtx_p): Rename...
10435         (thumb1_index_register_rtx_p): ... to this.
10436         (thumb_output_function_prologue): Rename...
10437         (thumb1_output_function_prologue): ... to this.
10438         (thumb_legitimate_address_p): Rename...
10439         (thumb1_legitimate_address_p): ... to this.
10440         (thumb_rtx_costs): Rename...
10441         (thumb1_rtx_costs): ... to this.
10442         (thumb_compute_save_reg_mask): Rename...
10443         (thumb1_compute_save_reg_mask): ... to this.
10444         (thumb_final_prescan_insn): Rename...
10445         (thumb1_final_prescan_insn): ... to this.
10446         (thumb_expand_epilogue): Rename...
10447         (thumb1_expand_epilogue): ... to this.
10448         (arm_unwind_emit_stm): Rename...
10449         (arm_unwind_emit_sequence): ... to this.
10450         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10451         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10452         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10453         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10454         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10455         thumb2_output_casesi): New functions.
10456         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10457         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10458         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10459         THUMB2_WORK_REGS): Define.
10460         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10461         arm_condexec_mask, arm_condexec_masklen)): New variables.
10462         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10463         (arm_override_options): Check new CPU capabilities.
10464         Set new architecture flag variables.
10465         (arm_isr_value): Handle v7m interrupt functions.
10466         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10467         Thumb-2.
10468         (const_ok_for_arm): Handle Thumb-2 constants.
10469         (arm_gen_constant): Ditto.  Use movw when available.
10470         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10471         functions.
10472         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10473         (thumb_find_work_register, arm_load_pic_register,
10474         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10475         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10476         print_multi_reg, output_mov_long_double_fpa_from_arm,
10477         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10478         output_mov_double_fpa_from_arm, output_move_double,
10479         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10480         output_return_instruction, arm_output_function_prologue,
10481         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10482         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10483         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10484         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10485         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10486         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10487         '!' and 'L'.
10488         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10489         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10490         (arm_file_start): Output directive for unified syntax.
10491         (arm_unwind_emit_set): Handle stack alignment instruction.
10492         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10493         Add v6t2, v7, v7a, v7r and v7m.
10494         (RETLDM): Add Thumb-2 code.
10495         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10496         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10497         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10498         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10499         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10500         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10501         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10502         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10503         ADJUST_INSN_LENGTH): Define.
10504         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10505         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10506         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10507         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10508         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10509         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10510         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10511         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10512         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10513         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10514         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10515         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10516         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10517         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10518         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10519         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10520         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10521         cortex-m3.
10522         * config/arm/arm-tune.md: Regenerate.
10523         * config/arm/arm-protos.h: Update prototypes.
10524         * config/arm/vfp.md: Enable patterns for Thumb-2.
10525         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10526         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10527         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10528         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10529         * config/arm/libunwind.S: Add Thumb-2 code.
10530         * config/arm/constraints.md: Update include Thumb-2.
10531         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10532         * config/arm/ieee754-df.S: Ditto.
10533         * config/arm/bpabi.S: Ditto.
10534         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10535         * config/arm/predicates.md (low_register_operand,
10536         low_reg_or_int_operand, thumb_16bit_operator): New.
10537         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10538         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10539         * config/arm/t-arm-elf: Add armv7 multilib.
10540         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10541         Include thumb2.md.
10542         (UNSPEC_STACK_ALIGN, ce_count): New.
10543         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10544         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10545         insns/expanders.
10546         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10547         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10548         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10549         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10550         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10551         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10552         insns.
10553         * doc/extend.texi: Document ARMv7-M interrupt functions.
10554         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10555
10556 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10557
10558         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10559         (struct _Unwind_Context): Rename args_size to flags, remove
10560         signal_frame field, add a new args_size field and version field.
10561         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10562         _Unwind_IsExtendedContext): New inline functions.
10563         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10564         Assume by_value array is only present if _Unwind_IsExtendedContext.
10565         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10566         _Unwind_IsSignalFrame.
10567         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10568         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10569         (uw_init_context_1): Initialize context->flags to
10570         EXTENDED_CONTEXT_BIT.
10571         * config/rs6000/linux-unwind.h (frob_update_context): Use
10572         _Unwind_SetSignalFrame.
10573
10574 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10575
10576         PR middle-end/30353
10577         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10578         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10579         the value.
10580
10581 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10582
10583         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10584         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10585         RET, AT_SP): Remove.
10586         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10587         instead of RET.
10588
10589         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10590         * cfgbuild.c (find_basic_blocks): Likewise.
10591         * cfgrtl.c (rtl_create_basic_block): Likewise.
10592         * function.c (temp_slots_at_level): Likewise.
10593         * reg-stack.c (stack_regs_mentioned): Likewise.
10594         * regclass.c (allocate_reg_info): Likewise.
10595         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10596         set_bb_for_stmt, move_block_to_fn): Likewise.
10597         * tree-complex.c (tree_lower_complex): Likewise.
10598         * vec.h (VEC_safe_grow_cleared): New.
10599
10600         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10601
10602 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10603
10604         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10605         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10606         to loop_version.
10607         * cfgloopmanip.c (scale_loop_frequencies): Export.
10608         (loopify): Scale the frequencies by prescribed coefficients.
10609         (set_zero_probability): New function.
10610         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10611         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10612         and frequencies according to arguments.
10613         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10614         correctly.
10615         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10616         * modulo-sched.c (sms_schedule): Set probabilities for entering
10617         versioned loop correctly.
10618         * tree-vect-transform.c (vect_transform_loop): Ditto.
10619         * cfgloop.h (loopify, loop_version): Declaration changed.
10620         (scale_loop_frequencies): Declared.
10621
10622 2007-01-02  Jan Hubicka  <jh@suse.cz>
10623
10624         * cgraph.c: Include tree-flow.h
10625         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10626         early_local_passes.
10627         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10628         * tree-pass.h (pass_all_early_optimizations): Declare.
10629         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10630         early_local_passes.
10631         (cgraph_analyze_function): Do early_local_passes.
10632         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10633         Do not add referenced vars.
10634         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10635         SSA form.
10636         (gate_all_early_local_passes): New gate.
10637         (pass_early_local_passes): Use new gate.
10638         (execute_early_local_optimizations): New functions.
10639         (gate_all_early_optimizations): New gate.
10640         (pass_all_early_optimizations): New pass.
10641         (execute_free_datastructures): Free SSA only when initialized.
10642         (gate_init_datastructures): Init only when optimizing.
10643         (tree_lowering_passes): Do early local passes when called late.
10644         * tree-profile.c (do_tree_profiling): Don't profile functions added
10645         late.
10646         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10647         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10648         not active.
10649         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10650         during early_local_passes.
10651         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10652
10653
10654 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10655
10656         * Makefile.in: Update copyright year.
10657
10658 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10659
10660         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10661         in $(lang_checks) and check-consistency targets.
10662
10663 2007-01-02  Jan Hubicka  <jh@suse.cz>
10664
10665         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10666         Do not add referenced vars.
10667         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10668         are not active.
10669         * passes.c (init_optimization_passes): Put mudflap_2 after
10670         free_datastructures.
10671
10672 2007-01-02  Jan Hubicka  <jh@suse.cz>
10673
10674         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10675         Set NOTHROW flag on call statements proved to be nothrow.
10676         Update statement of local calls so new pure/const functions are
10677         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10678         goto receivers.
10679         (tree_rest_of_compilation): Register hooks and initialize bitmap
10680         early. Do not set after_inlining flag.
10681
10682 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10683
10684         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10685         HOST_BITS_PER_LONGLONG
10686
10687 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10688
10689         PR c/19977
10690         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10691         warning for non-static initializers.
10692
10693 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10694
10695         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10696         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10697         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10698         Always use set_unique_reg_note to add REG_EQUAL notes.
10699
10700 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10701
10702         Revert:
10703         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10704
10705         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10706         * cfgbuild.c (find_basic_blocks): Likewise.
10707         * cfgrtl.c (rtl_create_basic_block): Likewise.
10708         * function.c (temp_slots_at_level): Likewise.
10709         * reg-stack.c (stack_regs_mentioned): Likewise.
10710         * regclass.c (allocate_reg_info): Likewise.
10711         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10712         set_bb_for_stmt, move_block_to_fn): Likewise.
10713         * tree-complex.c (tree_lower_complex): Likewise.
10714         * vec.h (VEC_safe_grow_cleared): New.
10715
10716 2007-01-02  Ian Lance Taylor  <iant@google.com>
10717
10718         * c-common.c (c_common_truthvalue_conversion): When warning about
10719         using an assignment as a truth value, set TREE_NO_WARNING.
10720
10721 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10722
10723         PR middle-end/7651
10724         * c.opt (Wold-style-declaration): New.
10725         * doc/invoke.texi (C-only Warning Options): New.
10726         (Wold-style-declaration): Document it.
10727         (Wextra): Enabled by -Wextra.
10728         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10729         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10730         -Wold-style-declaration.
10731
10732 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10733
10734         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10735         * cfgbuild.c (find_basic_blocks): Likewise.
10736         * cfgrtl.c (rtl_create_basic_block): Likewise.
10737         * function.c (temp_slots_at_level): Likewise.
10738         * reg-stack.c (stack_regs_mentioned): Likewise.
10739         * regclass.c (allocate_reg_info): Likewise.
10740         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10741         set_bb_for_stmt, move_block_to_fn): Likewise.
10742         * tree-complex.c (tree_lower_complex): Likewise.
10743         * vec.h (VEC_safe_grow_cleared): New.
10744
10745 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10746
10747         * c-common.c (c_common_nodes_and_builtins): Since variants of
10748         void_type_node get built before it is given a name, we need to
10749         give those variants the name, too.
10750         (complete_array_type): We need to work with the canonical main
10751         type of the array, from which we will build the qualified version.
10752         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10753         * print-tree.c (print_node): Display canonical type information
10754         for each type.
10755         * stor-layout.c (layout_type): When we don't know the
10756         alignment of a type for which we're building an array, we end up
10757         guessing wrong, so make the type require structural equality.
10758         * tree.c (make_node_stat): When we build a new type, it is its
10759         own canonical type.
10760         (build_type_attribute_qual_variant): When building an attribute
10761         variant, its canonical type is the non-attribute variant. However,
10762         if the attributes are target-dependent and they differ, we need to
10763         use structural equality checks for this type.
10764         (build_qualified_type): A qualified type is not equivalent to its
10765         unqualified variant; set the canonical type appropriately.
10766         (build_distinct_type_copy): When building a distinct type from
10767         another type, the new type is its own canonical type.
10768         (build_variant_type_copy): When building a new type variant, we
10769         assume that it is equivalent to the original type.
10770         (build_pointer_type_for_mode): When building a pointer type, also
10771         build a canonical type pointer.
10772         (build_reference_type_for_mode): When building a reference type,
10773         also build a canonical type reference.
10774         (build_index_type): When we can't hash an index type (e.g.,
10775         because its maximum value is negative), the index type requires
10776         structural equality tests.
10777         (build_array_type): Build the canonical form of an array type.
10778         (build_function_type): Function types require structural equality,
10779         because they contain default arguments, attributes, etc.
10780         (build_method_type_directly): Ditto for method types.
10781         (build_offset_type): Build the canonical offset type.
10782         (build_complex_type): Build the canonical vector type.
10783         (make_vector_type): Build the canonical vector type.
10784         * tree.h (TYPE_CANONICAL): New.
10785         (TYPE_STRUCTURAL_EQUALITY_P): New.
10786         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10787         (struct tree_type): Added "canonical" field.
10788         * params.h (VERIFY_CANONICAL_TYPES): New.
10789         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10790         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10791         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10792         * doc/invoke.texi (verify-canonical-types): Document --param
10793         parameter for verifying canonical types.
10794
10795 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10796
10797         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10798         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10799         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10800         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10801         tm_file.
10802         * config/rs6000/e500.h: New.
10803         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10804         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10805         Remove.
10806         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10807         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10808         TARGET_E500_DOUBLE): Remove.
10809         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10810         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10811         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10812         * config/rs6000/rs6000.c (rs6000_override_options): Use
10813         CHECK_E500_OPTIONS.
10814
10815 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10816
10817         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10818         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10819         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10820         rs6000_emit_cmove): Don't check TARGET_E500.
10821         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10822         sordered): Don't check TARGET_E500.
10823
10824 2007-01-01  Eric Christopher  <echristo@apple.com>
10825
10826         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10827         HARD_REGISTER_NUM_P.
10828
10829 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10830
10831         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10832         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10833         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10834         eq/ne Y".
10835
10836 2007-01-01  Mike Stump  <mrs@apple.com>
10837
10838         * configure.ac: Remove support for building with Apple's gcc-3.1.
10839
10840 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10841
10842         PR middle-end/30311
10843         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10844         REG is a hard register.  Do not modify REG before calling
10845         subreg_nregs.
10846         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10847         multiple of the size of YMODE for certain lowpart cases.
10848
10849 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10850
10851         PR middle-end/30253
10852         * gimplify (voidify_wrapper_expr): Update for
10853         GIMPLE_MODIFY_STMT.
10854
10855 2007-01-01  Andreas Schwab  <schwab@suse.de>
10856
10857         PR target/29166
10858         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10859         save of BR0 in extra_spill_size instead of spill_size.
10860         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10861         area.
10862         (ia64_expand_epilogue): Restore BR0 from its new location.
10863
10864 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10865
10866         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10867         Use a temporary variable if the left hand side is not a gimple
10868         register.
10869
10870 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10871
10872         * gimplify.c (gimplify_return_expr): Make the temporary variable
10873         for the return expression, a gimple register variable.
10874
10875 2007-01-01  Jan Hubicka  <jh@suse.cz>
10876
10877         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10878         INSN_LIST.
10879
10880 2007-01-01  Mike Stump  <mrs@apple.com>
10881
10882         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10883         .literal16.
10884         * config/darwin.c (machopic_select_rtx_section): Use
10885         HAVE_GAS_LITERAL16.
10886         (darwin_mergeable_constant_section): Likewise.
10887         * configure: Regenerate.
10888         * config.in: Regenerate.
10889
10890 2007-01-01  Jan Hubicka  <jh@suse.cz>
10891             Andrew Pinski  <pinskia@gmail.com>
10892
10893         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10894         before starting IPA passes.